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Ontology Browser

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Parent Terms Term With Siblings Child Terms
(+)-(2S,3R,9R)-pristinol 
(+)-alpha-pinene 
(+)-caryolan-1-ol 
(+)-isoafricanol 
(+)-O-methylkolavelool 
(-)-anisomycin  
(-)-chuangxinmycin 
(-)-ephedrine  
(-)-marinopyrrole A 
(-)-marinopyrrole B 
(-)-Tau-muurolol 
(-)-trans-carveol 
(11Z)-icos-11-enoic acid +  
(11Z,14Z,17Z)-icosatrienoate 
(13E)-octadecenoic acid 
(13R)-S-cysteinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13R)-S-cysteinylglycinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13R)-S-glutathionyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid 
(13S)-hydroxy-(14S,15S)-epoxy-(5Z,8Z,11Z)-icosatrienoic acid 
(15Z)-tetracosenoate +  
(17Z)-hexacosenoic acid +  
(1R,10aS)-1,4,10,10a-tetrahydrophenazine-1,6-dicarboxylic acid 
(1R,10aS)-1,4,10,10a-tetrahydrophenazine-1-carboxylic acid 
(1R,5aS,6R)-1,4,5,5a,6,9-hexahydrophenazine-1,6-dicarboxylic acid 
(1S)-1,23,25-trihydroxy-24-oxocalciol 
(1S)-1,25-dihydroxy-24-oxocalciol 
(2,3-diphenylcyclopropyl)methyl phenyl sulfoxide 
(2->6)-beta-D-fructan 
(2-aminoethyl)phosphonic acid +  
(2-hydroxyphenyl)acetate 
(2-hydroxyphenyl)acetic acid 
(2-trans,6-cis)-dodeca-2,6-dienoyl-CoA 
(20R)-17alpha,20-dihydroxycholesterol 
(20R,22R)-20,22-dihydroxycholesterol 
(20S)-20-hydroxypregn-4-en-3-one  
(20S)-hydroxyvitamin D3 
(20S,23)-dihydroxyvitamin D3 
(20S,23,24)-trihydroxyvitamin D3 
(20S,23,25)-trihydroxyvitamin D3 
(20S,24R)-dihydroxyvitamin D3 
(20S,24S)-dihydroxyvitamin D3 
(23S)-23,25,26-trihydroxycalciol +  
(24E)-3alpha,7alpha-dihydroxy-5beta-cholest-24-en-26-oyl-CoA 
(24R)-24,25-dihydroxycalciol 
(24R,25R)-3alpha,7alpha,24-trihydroxy-5beta-cholestan-26-oyl-CoA 
(24S)-24-hydroxycholesterol +   
(24S)-7alpha,24-dihydroxycholesterol 
(24S,25)-dihydroxycholesterol 
(24S,26)-dihydroxycholesterol 
(24Z),26-hydroxydesmosterol 
(25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl-CoA(4-) 
(25R)-7alpha,26-dihydroxycholest-4-en-3-one 
(25R)-cholest-5-ene-3beta,26-diol +   
(25S)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestanoyl-CoA 
(2R)-2-[(1R)-1-hydroxy-12-\{2-[14-(2-icosylcyclopropyl)tetradecyl]cyclopropyl\}dodecyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-12-\{2-[14-(2-icosylcyclopropyl)tetradecyl]cyclopropyl\}dodecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-14-\{2-[14-(2-icosylcyclopropyl)tetradecyl]cyclopropyl\}tetradecyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-14-\{2-[14-(2-icosylcyclopropyl)tetradecyl]cyclopropyl\}tetradecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-16-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}hexadecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-icosylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-icosylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-nonadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-nonadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]tetracosanoate 
(2R)-2-[(1R)-1-hydroxy-18-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}octadecyl]tetracosanoic acid 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-icosylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-icosylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-nonadecylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-nonadecylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}icosyl]hexacosanoic acid 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}icosyl]tetracosanoate 
(2R)-2-[(1R)-1-hydroxy-20-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}icosyl]tetracosanoic acid 
(2R)-2-[(1R)-1-hydroxy-22-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}docosyl]hexacosanoate 
(2R)-2-[(1R)-1-hydroxy-22-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}docosyl]hexacosanoic acid 
(2R)-2-[(1R)-14-\{2-[(15Z)-hexatriacont-15-en-1-yl]cyclopropyl\}-1-hydroxytetradecyl]hexacosanoate 
(2R)-2-[(1R)-14-\{2-[(15Z)-hexatriacont-15-en-1-yl]cyclopropyl\}-1-hydroxytetradecyl]hexacosanoic acid 
(2R)-2-\{(1R)-1-hydroxy-15-[2-(20-methoxy-21-methylnonatriacontyl)cyclopropyl]pentadecyl\}hexacosanoic acid +  
(2R,3S)-2-methyl-3-propyloxirane 
(2R,5Z)-4-methyl-5-[2-(phosphonooxy)ethylidene]-2,5-dihydro-1,3-thiazole-2-carboxylic acid 
(2S)-2-(4-\{[(1R,2S)-2-hydroxycyclopentyl]methyl\}phenyl)propanoic acid 
(2S,3R)-3-hydroxybutane-1,2,3-tricarboxylate 
(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA(4-) 
(2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate 
(2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oic acid 
(2Z,4Z)-2,3-dichloromuconic acid 
(3,4-dihydroxyphenyl)acetate 
(3,4-dihydroxyphenyl)acetic acid +   
(3E)-2,3,4-trimethylhex-3-enal 
(3E)-2,6-dimethyloct-3-ene 
(3E)-3,4-didehydrorhodopin 
(3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvate 
(3E)-3-[(1R,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-ylidene]pyruvic acid 
(3R,5S)-1-pyrroline-3-hydroxy-5-carboxylic acid 
(3S)-3-hydroxy-3-methylglutaryl-CoA 
(3S)-citramalyl-CoA(5-) 
(3Z,6Z)-dodecadienoyl-CoA 
(4-\{4-[2-(gamma-L-glutamylamino)ethyl]phenoxymethyl\}furan-2-yl)methanamine 
(4-hydroxy-3-methoxyphenyl)acetaldehyde 
(4-hydroxyphenyl)acetaldehyde 
(4-hydroxyphenyl)pyruvic acid +  
(4E)-7-methyldec-4-ene 
(4R,6R)-hydroxy-2,2,6-trimethylcyclohexanone 
(4Z,7Z,10Z,13Z,16Z)-docosa-4,7,10,13,16-pentaenoic acid +   
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate +  
(5-hydroxyindol-3-yl)acetaldehyde  
(5-hydroxyindol-3-yl)acetate 
(5-hydroxyindol-3-yl)acetic acid  
(5alpha)-androst-3-en-17-one 
(5aS)-5,5a-dihydrophenazine-1,6-dicarboxylic acid 
(5Z)-tetradecenoylcarnitine 
(5Z,9E,12S,14Z)-8,11,12,20-tetrahydroxyicosa-5,9,14-trienoic acid 
(5Z,9E,12S,14Z)-8,11,12-trihydroxyicosa-5,9,14-trienoate 
(5Z,9E,14Z)-(8xi,11R,12S)-11,12-epoxy-8-hydroxyicosa-5,9,14-trienoate 
(6E,8Z)-5-oxooctadecadienoic acid 
(6R)-5,10-methenyltetrahydrofolate +  
(6R)-5,10-methylenetetrahydrofolate(2-) +  
(6S)-5,6,7,8-tetrahydrofolate(2-) 
(6S)-5-formyltetrahydrofolate(2-) 
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoate +  
(7Z,10Z,13Z,16Z,19Z)-docosapentaenoic acid +  
(9E)-10-nitrooctadecenoic acid 
(9E)-9-nitrooctadecenoic acid 
(alpha-D-mannosyl)2-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)3-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)4-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)5-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)6-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(alpha-D-mannosyl)7-beta-D-mannosyl-diacetylchitobiosyldiphosphodolichol 
(E)-1-hydroxy-2-(non-1-en-1-yl)quinolin-4-one 
(E)-4-oxonon-2-enal 
(E)-dec-3-en-2-ol 
(E)-hexadec-2-enoyl-CoA(4-) 
(E)-N-(3-hydroxy-1-oxocyclopent-2-en-2-yl)-3-(4-hydroxy-3-methoxyphenyl) propenamide 
(N(omega)-L-arginino)succinate(1-) 
(R)-(2-chloro-5-oxo-2,5-dihydro-2-furyl)acetate 
(R)-(2-chloro-5-oxo-2,5-dihydro-2-furyl)acetic acid 
(R)-12-hydroxysqualene 
(R)-2-hydroxy-4-methylpentanoate 
(R)-3-(indol-3-yl)-2-oxobutyric acid 
(R)-3-hydroxybutanoyl-CoA(4-) 
(R)-3-hydroxybutyrate +  
(R)-3-hydroxybutyric acid +  
(R)-3-hydroxylauric acid +  
(R)-4'-phosphonatopantothenate(3-) 
(R)-5-diphosphomevalonic acid 
(R)-5-phosphonatomevalonate(3-) 
(R)-adrenaline(1+) 
(R)-cembrene A 
(R)-icosanoylcarnitine 
(R)-lactaldehyde 
(R)-lactic acid +   
(R)-methylmalonyl-CoA(5-) 
(R)-mevalonate 
(R)-nephthenol 
(R)-noradrenaline(1+) 
(R)-oleoylcarnitine 
(R)-oleoylcarnitine hydrochloride 
(R)-propane-1,2-diol 
(R)-S-lactoylglutathionate(1-) 
(R)-S-lactoylglutathione 
(S)-2,3-epoxysqualene 
(S)-2-hydroxy-3-methylbutyrate 
(S)-2-hydroxy-3-methylbutyric acid 
(S)-3-aminoisobutyric acid 
(S)-3-hydroxybutanoyl-CoA(4-) 
(S)-3-hydroxydecanoyl-CoA 
(S)-3-hydroxyhexanoyl-CoA 
(S)-3-hydroxyisobutyryl-CoA 
(S)-3-hydroxylauroyl-CoA 
(S)-3-hydroxyoctanoyl-CoA 
(S)-3-hydroxypalmitoyl-CoA 
(S)-3-hydroxytetradecanoyl-CoA 
(S)-3-sulfonatolactate(2-) 
(S)-6-acetamido-3-aminohexanoic acid 
(S)-carnitinium 
(S)-dihydroorotate 
(S)-dihydroorotic acid 
(S)-gabaculine +  
(S)-lactaldehyde 
(S)-lactic acid +   
(S)-malate(2-) +  
(S)-methylmalonyl-CoA(5-) 
(S)-propane-1,2-diol +  
(Z)-2-penten-1-ol 
(Z)-4-methoxy-2,2-bipyridine-6-carbaldehyde oxime 
(Z)-but-2-ene-1,2,3-tricarboxylate 
1'-hydroxy-gamma-carotene 
1'-hydroxytorulene 
1,1,3,3-tetramethylurea 
1,2,3,4-tetrachlorobutane 
1,2-di-[(6Z)-octadecenoyl]-sn-glycero-3-phosphocholine 
1,2-diacyl-sn-glycero-3-phosphocholine(1+) +   
1,2-dioleoyl-sn-glycero-3-phospho-N,N-dimethylethanolamine 
1,2-dioleoyl-sn-glycero-3-phospho-N,N-dimethylethanolamine zwitterion 
1,2-dioleoyl-sn-glycero-3-phospho-N-methylethanolamine 
1,2-dioleoyl-sn-glycero-3-phospho-N-methylethanolamine zwitterion 
1,2-distearoylphosphatidylethanolamine zwitterion +  
1,4-butanediammonium 
1,4-dithiothreitol +   
1,5-anhydro-D-glucitol 
1-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine 
1-(beta-D-xylopyranosyl)cytosine 
1-(methylthio)ribulose 5-phosphate 
1-(methylthio)ribulose 5-phosphate(2-) 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-[(9Z,12Z)-hexadecadienoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-hexadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(10Z,13Z,16Z)-docosatrienoyl]-2-linoleoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(13Z,16Z)-docosadienoyl]-2-hexadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(13Z,16Z)-docosadienoyl]-2-linoleoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(1Z,9Z)-octadecadienyl]-sn-glycero-3-phosphocholine 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-[(11Z)-icosenoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-[(11Z)-octadecenoyl]-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-icosanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(8Z,11Z,14Z,17Z)-icosatetraenoyl]-2-octadecanoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-[(9Z)-hexadecenoyl]-sn-glycero-3-phosphocholine 
1-acyl-sn-glycerol 3-phosphate(2-) +  
1-acylglycerone 3-phosphate(2-) +  
1-alkyl-2-acetyl-sn-glycerol 
1-alkyl-2-acetyl-sn-glycerol 3-phosphate(2-) 
1-alkyl-2-acyl-sn-glycero-3-phosphoethanolamine +  
1-alkyl-2-acyl-sn-glycerol +  
1-alkyl-sn-glycerol 3-phosphate(2-) +  
1-alkylglycerone 3-phosphate +  
1-alkylglycerone 3-phosphate(2-) +  
1-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-bromo-2-propanol 
1-chlorobutan-2-ol 
1-docosene 
1-ethyl-2-propylcyclohexane 
1-hexadecanoyl-2-(9-oxononanoyl)-sn-glycero-3-phosphocholine 
1-hexadecanoyl-sn-glycero-3-phospho-D-myo-inositol 
1-hexadecanoyl-sn-glycero-3-phosphoethanolamine 
1-icosapentaenoyl-sn-glycero-3-phosphocholine 
1-iodo-2-methylundecane 
1-linoleoyl-sn-glycero-3-phosphoethanolamine 
1-linoleoyl-sn-glycero-3-phosphoethanolamine zwitterion 
1-methyladenosine 
1-methylimidazole-4-acetaldehyde 
1-methylnicotinamide +   
1-methylpyrrolinium 
1-naphthyl tetradecanoate 
1-O-all-trans-retinoyl-beta-glucuronic acid 
1-octadec-9-enoylglycero-3-phosphate  
1-octadecylglycero-3-phosphocholine 
1-oleoyl-2-arachidonoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-oleoyl-sn-glycero-3-phosphoethanolamine 
1-pentadecanoyl-2-[(5Z,8Z,11Z,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine 
1-pentadecyl-2-acetyl-sn-glycero-3-phosphocholine 
1-phenylethylamine +  
1-phosphatidyl-1D-myo-inositol 3,4,5-trisphosphate(7-) +  
1-phosphatidyl-1D-myo-inositol 3,4-bisphosphate(5-) +  
1-phosphatidyl-1D-myo-inositol 3,5-bisphosphate(5-) +  
1-phosphatidyl-1D-myo-inositol 3-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate +  
1-phosphatidyl-1D-myo-inositol 4-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol 5-phosphate(3-) +  
1-phosphatidyl-1D-myo-inositol(1-) +  
1-piperideine-2-carboxylate 
1-piperideine-6-carboxylate +  
1-pyrroline-2-carboxylate 
1-pyrroline-5-carboxylate +  
1-pyrrolinium +  
1-stearoyl-2-arachidonoyl-sn-glycero-3-phosphoethanolamine 
1-stearoyl-sn-glycero-3-phospho-1D-myo-inositol 
1-stearoyl-sn-glycero-3-phosphoethanolamine 
1-tuberculosinyladenosine(1+) 
10-formyltetrahydrofolate(2-) 
10-nonadecenoate 
10-nonadecenoic acid +  
10-PAHSA 
10-PAHSA(1-) 
11-cis-retinal +  
11-cis-retinol +  
11-cis-retinyl palmitate 
11-dehydro-thromboxane B2  
11-dehydrocorticosterone  
11-deoxycorticosterone +   
11-deoxycortisol  
11-epi-prostaglandin F2alpha +  
11-epi-prostaglandin F2alpha(1-) 
11-nitro-1-undecene 
11-oxo-ETE +  
11-oxotestosterone 
11-PAHSA 
11-PAHSA(1-) 
11beta-hydroxyandrost-4-ene-3,17-dione 
11beta-hydroxyprogesterone 
12(S)-HETE 
12(S)-HPETE(1-) 
12,18-didecarboxysirohaem 
12-aminododecanoic acid 
12-deoxynogalonic acid 
12-epi-fischerindole G 
12-epi-fischerindole U 
12-epi-hapalindole U 
12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d 
12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d(1-) 
12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d 
12-ethyl-8-propyl-3-vinylbacteriochlorophyllide d(1-) 
12-HETE +  
12-hydroxylauric acid +   
12-PAHSA 
12-PAHSA(1-) 
12alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid +  
13(S)-HPODE +  
13(S)-HPODE(1-) 
13,14-dihydro-15-oxolipoxin A4 
13,14-dihydro-15-oxolipoxin A4(1-) 
13,14-dihydrolipoxin A4 
13,14-dihydrolipoxin A4(1-) 
13-cis-retinal  
13-cis-retinol +  
13-deoxycarminomycin 
13-hydroxy-(14R,15S)-epoxy-(5Z,8Z,11Z)-icosatrienoic acid 
13-hydroxy-alpha-tocopherol 
13-hydroxytetradecanoic acid 
13-PAHSA 
13-PAHSA(1-) 
14-demethyllanosterol +   
15(S)-HETE 
15(S)-HPETE(1-) 
15,17(3)-seco-F430-17(3)-acid 
15-dehydro-prostaglandin E1(1-) 
15-dehydroprostaglandin A1 
15-ketoprostaglandin F1alpha(1-) 
15-oxo-ETE +   
16alpha-hydroxydehydroepiandrosterone 
16alpha-hydroxyestrone +  
16alpha-hydroxypregnenolone 
17-phenyl-18,19,20-trinor-prostaglandin D2 
17-phenyl-18,19,20-trinor-prostaglandin E2 
17alpha-hydroxypregnenolone +   
17alpha-hydroxyprogesterone  
17beta-estradiol +   
17beta-estradiol 3-glucosiduronic acid  
17beta-hydroxy-5alpha-androstan-3-one +   
17beta-hydroxy-5beta-estran-3-one 
18-hydroxycorticosterone 
1alpha,23(S),25-trihydroxyvitamin D3 
1alpha,2beta,25-trihydroxy vitamin D3 
1D-myo-inositol 1,3,4,5-tetrakisphosphate(8-) 
1D-myo-inositol 1,3,4-trisphosphate(6-) 
1D-myo-inositol 1,4,5,6-tetrakisphosphate(8-) 
1D-myo-inositol 1,4,5-trisphosphate(6-) 
1D-myo-inositol 1,4-bisphosphate(4-) 
1D-myo-inositol 1-phosphate  
1D-myo-inositol 1-phosphate(2-) 
1D-myo-inositol 3,4,5,6-tetrakisphosphate(8-) 
1D-myo-inositol 3,4-bisphosphate 
1D-myo-inositol 3-phosphate(2-) 
1D-myo-inositol 4-phosphate(2-) 
2',3'-cyclic UMP(1-) 
2',3'-dipalmitoyl-2-sulfo-alpha,alpha-trehalose(1-) 
2'-deoxyadenosine +   
2'-deoxyadenosine 5'-monophosphate(2-) +  
2'-deoxycytidine +   
2'-deoxycytosine 5'-monophosphate(2-) +  
2'-deoxyguanosine +   
2'-deoxyguanosine 5'-monophosphate(2-) +  
2'-deoxyinosine 
2'-deoxyinosine 5'-phosphate(2-) 
2'-deoxyinosine-5'-diphosphate 
2'-deoxyinosine-5'-monophosphate 
2'-deoxyuridine +  
2,3,3-trimethylpentane 
2,3,5,8-tetramethyldecane 
2,3,5-trimethylhexane 
2,3-bisphosphoglyceric acid +   
2,3-bisphosphonato-D-glycerate(5-) 
2,3-dihydroxybutanoic acid +  
2,3-diketogulonate 
2,3-dipalmitoyl-2'-sulfo-alpha,alpha-trehalose 
2,3-dipalmitoyl-alpha,alpha-trehalose 
2,3-epoxymenatetrenone 
2,4,4-trimethylpentane-1,3-diyl bis(2-methylpropanoate) 
2,4-di-tert-butylphenol  
2,4-diacetylphloroglucinol 
2,4-dichlorobenzoate 
2,4-dichlorobenzoic acid +  
2,4-didehydro-3-deoxy-L-rhamnonic acid 
2,4-dimethyl-1-heptene 
2,4-dimethylhexane 
2,4-dimethylpentan-3-amine 
2,5-diamino-6-ribosylamino-4(3H)pyrimidinone 5'-triphosphate 
2,5-dihydroxybenzaldehyde  
2,5-dihydroxybenzoate 
2,5-dihydroxybenzoic acid +   
2,5-diiminio-3,4-bis(indol-3-yl)hexanedioate 
2,5-diimino-3,4-bis(indol-3-yl)hexanedioic acid 
2,6,10,14-tetramethylheptadecane 
2,6,10,15-tetramethylheptadecane 
2,7,10-trimethyldodecane 
2,7-dihydroxy-5-methyl-1-naphthoate 
2,7-dihydroxy-5-methyl-1-naphthoic acid 
2-(2-carboxyethyl)-4-methyl-5-propylfuran-3-carboxylic acid 
2-(4-methoxyphenyl)propan-2-ol 
2-(4-methyl-1-piperazinyl)ethanamine 
2-acetamido-2-deoxy-D-glucopyranose 1-phosphate +  
2-acetamido-5-oxopentanoate 
2-amino-2-deoxy-D-gluconate 
2-amino-2-deoxy-D-gluconic acid +  
2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid +  
2-amino-3-hydroxy-4-methylbenzoyl-AMP 
2-amino-3-oxoadipic acid 
2-amino-3-phosphonopropanoic acid 
2-amino-6-(1-hydroxyethyl)-7-methyl-7,8-dihydropteridin-4-one 
2-amino-6-(aminomethyl)-5-methylidene-4-oxo-1,4,5,6,7,8-hexahydropteridin-5-ium 
2-aminoacrylic acid +  
2-aminobenzoylacetic acid 
2-aminobenzoylacetyl-CoA 
2-aminoethanesulfonate 
2-aminomuconate 6-semialdehyde(1-) 
2-aminomuconate(2-) 
2-aminooctanoic acid 
2-aminooctanoic acid zwitterion 
2-aminophenol +   
2-aminopimelic acid +  
2-ammonio-2-deoxy-D-glucopyranose +  
2-ammonio-2-deoxy-D-glucopyranose 6-phosphate(1-) +  
2-ammoniomuconate(1-) 
2-arachidonoylglycerol  
2-butyl-1-octanol 
2-cis,6-trans,10-trans-geranylgeranyl diphosphate 
2-decaprenyl-6-methoxy-1,4-benzoquinone 
2-decaprenyl-6-methoxy-3-methyl-1,4-benzoquinone 
2-decaprenyl-6-methoxyphenol 
2-dehydro-D-gluconic acid +  
2-dehydro-L-gluconic acid 
2-deoxy-D-ribofuranose 
2-deoxy-D-ribofuranose 1-phosphate(2-) 
2-deoxy-D-ribonate 
2-deoxy-D-ribonic acid 
2-deoxy-D-ribose +  
2-deoxy-D-ribose 5-phosphate(2-) 
2-epi-5-epi-valiolone +  
2-epi-5-epi-valiolone 7-phosphate 
2-epi-5-epi-valiolone 7-phosphate(2-) 
2-epi-valiolone 
2-ethylfuran 
2-ethylhydracrylate 
2-ethylhydracrylic acid 
2-formamido-N(1)-(5-O-phosphonato-D-ribosyl)acetamidine 
2-hydroxy-17beta-estradiol +   
2-hydroxy-3-methylbutyrate 
2-hydroxy-3-methylbutyric acid +  
2-hydroxy-5-methyl-1-naphthoate 
2-hydroxy-5-methyl-1-naphthoic acid 
2-hydroxy-7-methoxy-5-methyl-1-naphthoate 
2-hydroxy-7-methoxy-5-methyl-1-naphthoic acid +  
2-hydroxyacrylic acid 
2-hydroxybutyrate +  
2-hydroxybutyric acid +  
2-hydroxyestrone +   
2-hydroxyhexadecanoate +  
2-hydroxyhexadecanoic acid +  
2-hydroxylaminobenzoic acid 
2-hydroxyoctadecanoate +  
2-hydroxyoctadecanoic acid +  
2-hydroxyphytanoyl-CoA(4-) 
2-imino-3-(indol-3-yl)propanoate 
2-imino-3-(indol-3-yl)propanoic acid +  
2-isopropyl-5-methyl-1-heptanol 
2-isopropylaminoethylamine 
2-linoleoyl-sn-glycero-3-phosphoethanolamine 
2-methoxy-17beta-estradiol +   
2-methoxyestrone +   
2-methyl-1,3-thiazolidine-2-carboxamide 
2-methyl-1-oxo-4-[(2E,6E)-farnesyl]-3,4-dihydroquinoline-3,4-diol 
2-methyl-1-pentene 
2-methyl-3-ketovaleric acid 
2-methyl-3-oxopropanoate +  
2-methyl-L-tryptophan 
2-methyl-L-tryptophan zwitterion 
2-methylacetoacetyl-CoA(4-) 
2-methylbutan-2-amine 
2-methylbutanoyl-CoA(4-) +  
2-methylbutyric acid +   
A methylbutyric acid comprising a butyric acid core carrying a 2-methyl substituent. Produced from amino acid leucine during nutrient starvation in bacteria.
2-methylbutyrylcarnitine +  
2-methylcitrate(3-) +  
2-methylcrotonoyl-CoA(4-) 
2-methylerythritol 
2-methylhexenoyl-CoA 
2-methyltridecane 
2-O,3-dimethylflaviolin 
2-O-(alpha-D-glucopyranosyl)glycerol 
2-O-[alpha-D-mannosyl-(1->2)-alpha-D-glucosyl]-D-glyceric acid 
2-O-alpha-D-mannosyl-1-O-\{1-O-[(10S)-10-methyloctadecanoyl]-2-O-palmitoyl-sn-glycero-3-phosphonato\}-5-O-palmitoyl-6-O-(6-O-palmitoyl-alpha-D-mannosyl)-1D-myo-inositol +  
2-O-alpha-D-mannosyl-1-O-\{1-O-[(10S)-10-methyloctadecanoyl]-2-O-palmitoyl-sn-glycero-3-phosphono\}-5-O-palmitoyl-6-O-(6-O-palmitoyl-alpha-D-mannosyl)-1D-myo-inositol 
2-O-palmitoyl-alpha,alpha-trehalose 
2-oxoadipate(2-) 
2-oxoadipic acid  
2-oxobutanoate 
2-oxoglutaramate +  
2-oxoglutarate(2-) 
2-oxopentanoic acid 
2-palmitoyl-3,6,6'-tristearoyl-2'-sulfo-alpha,alpha-trehalose 
2-palmitoyl-3,6,6'-tristearoyl-2'-sulfo-alpha,alpha-trehalose(1-) 
2-palmitoyl-3-stearoyl-2'-sulfo-alpha,alpha-trehalose 
2-palmitoyl-3-stearoyl-2'-sulfo-alpha,alpha-trehalose(1-) 
2-phenylethanaminium 
2-phenylethylamine +   
2-phosphinomethylmalic acid 
2-phospho-D-glyceric acid 
2-phosphonato-D-glycerate(3-) 
2-phosphonatoglycolate(3-) 
2-stearoyl-sn-glycero-3-phosphocholine 
2-tetradecanoyl-sn-glycero-3-phosphocholine 
2-trans,6-trans,10-trans-geranylgeranyl diphosphate(3-) 
2-trans,6-trans-farnesyl diphosphate(3-) 
20(S),25-dihydroxyvitamin D3 
20-HETE +   
20-hydroxy-leukotriene B4 
20-hydroxy-leukotriene B4(1-) 
20-hydroxy-leukotriene E4(1-) 
20-hydroxycholesterol  
20-oxo-5-O-beta-mycaminosyltylactone 
23(S),25-dihydroxy-24-oxovitamin D3 
24,25-dihydrolanosterol +   
24-dehydrozincophorin 
25-hydroxycholesterol  
26-hydroxycholesterol +   
27-O-demethylrifamycin SV 
2beta-hydroxytestosterone 
2beta-methylbacteriohopane-32,33,34,35-tetrol 
2beta-methylhop-22(29)-ene 
2beta-methylhopan-22-ol 
2beta-methyltetrahymanol 
2R-2-[(1R)-1-hydroxy-16-\{2-[10-(2-octadecylcyclopropyl)decyl]cyclopropyl\}hexadecyl]hexacosanoate 
3',5'-cyclic AMP +   
3',5'-cyclic AMP(1-) 
3',5'-cyclic CMP 
3',5'-cyclic dTMP 
3',5'-cyclic GMP +   
3',5'-cyclic GMP(1-) +  
3',5'-cyclic UMP 
3'-(enolpyruvyl)uridine 5'-monophosphate 
3'-AMP 
3'-AMP(2-) 
3'-dephospho-CoA 
3'-dephospho-CoA(2-) 
3'-glycyl-AMP 
3'-hydroxyechinenone 
3'-phosphonato-5'-adenylyl sulfate(4-) 
3'-UMP(2-) 
3,17-dihydroxy-9,10-seconandrost-1,3,5(10)-triene-9-one 
3,17-dioxoandrost-4-en-19-al 
3,3',5'-triiodothyronine +   
3,3',5,5'-tetraiodothyroacetic acid  
3,3',5-triiodo-L-thyronine +   
3,3',5-triiodo-L-thyronine sulfate 
3,3',5-triiodo-L-thyronine zwitterion 
3,3'-diiodo-L-thyronine +  
3,3-dimethyloctane 
3,4,17-trihydroxy-9,10-seconandrost-1,3,5(10)-triene-9-one 
3,4,5-trihydroxy-1-cyclohexene-1-carboxylic acid 
3,4-dihydrospheroidene 
3,4-dihydroxybutyric acid 
3,4-dihydroxymandelate 
3,4-dihydroxymandelic acid  
3,4-dihydroxyphenylacetaldehyde  
3,4-dimethylindolyl precursor of nosiheptide 
3,5-diiodo-L-tyrosinate(1-) 
3,5-diiodo-L-tyrosine +  
3,5-dimethyloctane 
3,5-dioxooctanedioic acid 
3,7,11-trimethyldodecan-1-ol 
3,7-dimethyl-3-octanol 
3,8-dimethylundecane 
3-(1-hydroxyethyl)bacteriochlorophyllide a 
3-(1-hydroxyethyl)bacteriochlorophyllide a(2-) 
3-(1-hydroxyethyl)chlorophyllide a 
3-(1-hydroxyethyl)chlorophyllide a(2-) 
3-(1H-indol-3-yl)propanoate 
3-(1H-indol-3-yl)propanoic acid  
3-(4-deoxy-beta-D-gluc-4-enosyluronic acid)-N-acetyl-D-glucosamine 
3-(4-hydroxyphenyl)lactate +  
3-(4-hydroxyphenyl)lactic acid +  
3-(4-hydroxyphenyl)pyruvate 
3-(imidazol-5-yl)lactic acid +  
3-(indol-3-yl)lactate 
3-(indol-3-yl)lactic acid  
3-(methylthio)propionate 
3-(phenethylamino)-butan-2-one 
3-[(1E,4R)-4-hydroxycyclohex-2-en-1-ylidene]pyruvate 
3-[(1E,4R)-4-hydroxycyclohex-2-en-1-ylidene]pyruvic acid 
3-[(1R,2S,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-yl]pyruvate 
3-[(1R,2S,5R,6S)-5-hydroxy-7-oxabicyclo[4.1.0]heptan-2-yl]pyruvic acid 
3-[(1R,4R)-4-hydroxycyclohex-2-en-1-yl]pyruvic acid 
3-[(1S,4R)-4-hydroxycyclohex-2-en-1-yl]pyruvic acid 
3-[(1Z,4R)-4-hydroxycyclohex-2-en-1-ylidene]pyruvic acid 
3-[(2-aminoethyl)sulfanyl]-6-ethyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-6-methyl-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(2-aminoethyl)sulfanyl]-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
3-[(3-aminopropyl)amino]-4-hydroxybenzoic acid 
3-[(3aS,4S,5R,7aS)-5-hydroxy-7a-methyl-1,5-dioxo-octahydroinden-4-yl]propanoic acid +  
3-[(3aS,4S,7aS)-1,5-dioxo-octahydroinden-4-yl]propanoic acid 
3-[(Z)-2-isocyanovinyl]indole 
3-acetylbenzamide 
3-acetylchlorophyllide a 
3-acetylchlorophyllide a(2-) 
3-amino-3-(4-hydroxyphenyl)propanoic acid 
3-amino-3-(4-hydroxyphenyl)propanoic acid zwitterion 
3-amino-4-hydroxybenzaldehyde 
3-amino-N-(trans-3-carbamoyloxirane-2-carbonyl)-L-alanine 
3-amino-N-(trans-3-carbamoyloxirane-2-carbonyl)-L-alanine zwitterion 
3-aminopiperidine-2-one 
3-carboxy-1-hydroxypropylthiamine diphosphate 
3-carboxy-4-methyl-5-propyl-2-furanpropanoate 
3-chloro-L-tyrosine 
3-cyano-L-alanine +  
3-decaprenyl-4,5-dihydroxybenzoic acid +  
3-decaprenyl-4-hydroxy-5-methoxybenzoic acid 
3-dehydro-4-methylzymosterol +  
3-dehydro-L-gulonate 
3-dehydro-scyllo-inosose 
3-dehydrocarnitine +   
3-dehydrocarnitinium 
3-dehydrocarnityl CoA 
3-dehydrocarnityl CoA(3-) 
3-dehydrosphinganinium(1+) 
3-demethylubiquinone-10 
3-deoxy-D-arabino-hexonic acid 
3-deoxy-D-glycero-beta-D-galacto-nonulosonate 
3-deoxy-D-glycero-beta-D-galacto-nonulosonic acid +  
3-deoxy-D-glycero-beta-D-galacto-nonulosonic acid 9-phosphate 
3-deoxychenodeoxycholic acid 
3-disulfanyl-L-alanine +  
3-ethyl-1,3-dihydro-3-methoxy-2H-indol-2-one 
3-farnesyl-3-hydroxy-2-methyl-1-oxo-1lambda(5)-quinolin-4-one 
3-fucosyllactose 
3-furoic acid +  
3-hydroxy-2,4-dioxopentyl phosphate 
3-hydroxy-2,4-dioxopentyl phosphate(2-) 
3-hydroxy-2-methylpropanoyl-CoA(4-) 
3-hydroxy-3-methylglutarate(1-) 
3-hydroxy-3-methylglutarate(2-) 
3-hydroxy-3-methylglutaric acid +  
3-hydroxy-3-methylhexanoic acid +  
3-hydroxy-4-methylanthranilic acid +  
3-hydroxy-5-methyl-1-naphthoate 
3-hydroxy-5-methyl-1-naphthoic acid 
3-hydroxy-N(6),N(6),N(6)-trimethyl-L-lysine 
3-hydroxy-O,5-dimethyl-L-tyrosine 
3-hydroxyanthranilate 
3-hydroxyanthranilic acid 
3-hydroxybenzoate 
3-hydroxybenzoic acid +   
3-hydroxybutyrate +  
3-hydroxybutyric acid +   
3-hydroxydocosanoyl-CoA +  
3-hydroxyicosanoyl-CoA +  
3-hydroxyisobutyrate +  
3-hydroxyisovalerate 
3-hydroxyisovaleric acid +   
3-hydroxyisovalerylcarnitine 
3-hydroxykynurenine +  
3-hydroxymandelic acid 
3-hydroxyoctadecanoyl-CoA +  
3-hydroxypropanoyl-CoA(4-) 
3-hydroxypropionate 
3-hydroxypropionic acid +   
3-hydroxypyruvate 
3-hydroxypyruvic acid  
3-hydroxytetracosanoyl-CoA 
3-hydroxytetradecanoic acid +  
3-hydroxytetradecanoyl-CoA 
3-iodo-L-tyrosine +  
3-keto-beta-D-galactose 
3-mercaptopyruvate 
3-mercaptopyruvic acid 
3-methoxy-3-methylhexane 
3-methoxy-5-methyl-1-naphthoate 
3-methoxy-5-methyl-1-naphthoic acid 
3-methyl-2-indolate 
3-methyl-2-indolic acid 
3-methyl-2-oxobutanoate 
3-methyl-2-oxobutanoic acid  
3-methyl-2-oxovalerate +  
3-methyl-2-oxovaleric acid +   
3-methyladenine  
3-methylbut-2-enoyl-CoA(4-) 
3-methylguanine +  
3-methylhexane 
3-methylhistidine 
3-methylhistidine zwitterion 
3-methylindolyl precursor of nosiheptide 
3-methylmalate(2-) 
3-methylmalic acid +  
3-O-beta-D-galactosyl-sn-glycerol 
3-O-methyldopa 
3-O-methyldopa zwitterion 
3-oxoadipic acid +  
3-oxochola-4,6-dien-24-oic acid 
3-oxodecanoyl-CoA 
3-oxodocosanoyl-CoA 
3-oxodotriacontanoyl-CoA 
3-oxohexacosanoyl-CoA 
3-oxohexanoyl-CoA 
3-oxoicosanoyl-CoA 
3-oxolauroyl-CoA 
3-oxooctadecanoyl-CoA 
3-oxooctanoyl-CoA 
3-oxopalmitoyl-CoA(4-) 
3-oxopristanoyl-CoA(4-) 
3-oxopropanoate 
3-oxotetracosanoyl-CoA 
3-oxotetradecanoyl-CoA 
3-phenyllactic acid +  
3-phenylpropionate 
3-phenylpropionic acid +   
3-phosphonato-D-glycerate(3-) 
3-phosphonato-D-glyceroyl phosphate(4-) 
3-phosphonatooxypyruvate(3-) 
3-sulfino-L-alanine +  
3-sulfino-L-alanine(1-) +  
3-sulfinopropionyl-CoA 
3-sulfinylpyruvic acid 
3-sulfonatopyruvate(2-) 
3-ureidoisobutyric acid 
3-vinylbacteriochlorophyllide d 
3-vinylbacteriochlorophyllide d(1-) 
35-amino-3-methylbacteriohopane-30,31,32,33,34-pentol 
35-amino-3-methylbacteriohopane-31,32,33,34-tetrol 
35-aminobacteriohopane-30,31,32,33,34-pentol 
35-aminobacteriohopane-31,32,33,34-tetrol 
3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestan-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-24-oxo-5beta-cholestan-26-oyl-CoA(4-) 
3alpha,7alpha,12alpha-trihydroxy-5beta-cholest-24-en-26-oyl-CoA +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-al +  
3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oic acid +  
3alpha,7alpha,12beta-trihydroxy-5beta-cholanate 
3alpha,7alpha,12beta-trihydroxy-5beta-cholanic acid 
3alpha,7alpha,24-trihydroxy-5beta-cholestan-26-oyl-CoA 
3alpha,7alpha-dihydroxy-24-oxo-5beta-cholestan-26-oyl-CoA 
3alpha,7alpha-dihydroxy-5beta-cholest-24-enoyl-CoA 
3alpha,7alpha-dihydroxy-5beta-cholestan-26-al 
3alpha,7alpha-dihydroxy-5beta-cholestan-26-oic acid +  
3alpha,7alpha-dihydroxy-5beta-cholestan-26-oyl-CoA +  
3alpha-hydroxy-5beta-androstan-17-one +   
3alpha-hydroxy-5beta-androstan-17-one 3-glucosiduronic acid 
3alpha-hydroxy-5beta-pregnan-20-one  
3beta,12alpha-dihydroxy-5beta-cholan-24-oic acid 
3beta,7alpha,12alpha-trihydroxy-5beta-cholan-24-oic acid 
3beta,7alpha-dihydroxy-5beta-cholan-24-oic acid 
3beta-hydroxy-4beta-methyl-5alpha-cholest-8-ene-4alpha-carboxylate 
3beta-hydroxy-4beta-methyl-5alpha-cholest-8-ene-4alpha-carboxylic acid 
3beta-hydroxy-5alpha-cholest-8-ene-4alpha-carboxylate 
3beta-hydroxy-5alpha-cholest-8-ene-4alpha-carboxylic acid 
3beta-hydroxy-5beta-pregnan-20-one 
3beta-hydroxycholest-5-en-26-al +  
3beta-hydroxycholest-5-en-26-oic acid +   
3beta-hydroxylanost-8-en-32-al  
4,4'-diapolycopen-4-al 
4,4'-diapolycopen-4-oic acid 
4,4'-diapolycopenedioic acid 
4,4'-diaponeurosporenoic acid 
4,4-dimethyl-5alpha-cholesta-8,14,24-trien-3beta-ol  
4,5-dihydroxyisophthalic acid 
4,6,8-trimethyl-1-nonene 
4,6-dimethyldodecane 
4,6-dimethylundecane 
4,6-dioxoheptanoic acid  
4,8,12-trimethyltridecanoyl-CoA(4-) 
4-(2-aminophenyl)-2,4-dioxobutanoate 
4-(5-O-phospho-beta-D-ribofuranosyl)phenol 
4-(phosphooxymethyl)-2-furancarboxaldehyde 
4-(trimethylammonio)butanoate  
4-(trimethylammonio)butanoic acid +  
4-acetamidobutanal 
4-acetamidobutanoate 
4-ammoniobutanal 
4-coumaroyl-CoA(4-) 
4-de(dimethylamino)-4-oxoanhydrotetracycline 
4-ethylphenyl sulfate 
4-ethylphenyl sulfate(1-) 
4-fumarylacetoacetate(2-) 
4-hydroxy-2-methyl-3-oxo-[(2E,6E)-farnesyl]-3,4-dihydroquinoline-1-oxide 
4-hydroxy-2-oxoglutarate(2-) +  
4-hydroxy-6-methylpretetramide 
4-hydroxy-L-prolinate 
4-hydroxy-L-proline zwitterion 
4-hydroxynon-2-enal +   
4-hydroxyphenylacetate 
4-hydroxyphenylacetic acid +   
4-hydroxyphenylglycine +  
4-hydroxyproline +  
4-hydroxyprotoasukamycin +  
4-maleylacetoacetate 
4-methoxy-17beta-estradiol +   
4-methoxyestrone +  
4-methyl-2-oxopentanoate 
4-methyl-2-oxopentanoic acid  
4-methylcatechol +   
4-methylpent-3-enoic acid 
4-methylpentanal  
4-methylpentanoyl-CoA(4-) 
4-methylthio-2-oxobutanoate +  
4-methylundecane 
4-nitrophenyl hydrogen sulfate  
4-oxobutanoate 
4-pyridoxate 
4-pyridoxic acid +   
4-trimethylammoniobutanal 
4a-hydroxytetrahydrobiopterin +  
4alpha-formyl-4beta-methyl-5alpha-8-cholesten-3beta-ol 
4alpha-formyl-5alpha-cholest-8-en-3beta-ol 
4alpha-hydroxymethyl-4beta-methyl-5alpha-8-cholesten-3beta-ol 
4alpha-hydroxymethyl-4beta-methylzymosterol 
4alpha-hydroxymethyl-5alpha-cholest-8-en-3beta-ol 
4alpha-methyl-5alpha-cholest-8-en-3-one 
4alpha-methyl-5alpha-cholest-8-en-3beta-ol 
4alpha-methylzymosterol +  
4beta-hydroxycholesterol  
4beta-methylzymosterol-4-carbaldehyde 
5'-acetylphosphoadenosine 
5'-adenylyl sulfate(2-) 
5'-deoxyadenosine 
5'-deoxyinosine 
5'-S-methyl-5'-thioadenosine  
5'-triphosphoadenylyl-(2'->5')-adenosine 
5'-xanthylate(2-) 
5(S),6(S)-epoxy-18(S)-hydroxy-(7E,9E,11Z,14Z,16E)-icosapentaenoic acid 
5(S)-HETE 
5(S)-HPETE(1-) 
5,10-dihydro-9-dimethylallylphenazine 1-carboxylate 
5,10-dihydro-9-dimethylallylphenazine-1-carboxylic acid 
5,10-dihydrophenazine-1-carboxylate 
5,10-dihydrophenazine-1-carboxylic acid 
5,4'-dihydroxyflavone-4'-sulfate(2-) 
5,6,7,8-tetrahydrobiopterin +   
5,6-dihydrothymine 
5,6-dihydrouracil 
5,6-dihydroxyindole-2-carboxylate 
5,6-dimethylbenzimidazole 
5-(2-carboxylatoethyl)-4-oxo-4,5-dihydro-1H-imidazol-5-ide 
5-(2-hydroxyethyl)-4-methylthiazole 
5-(hydroxymethyl)cytosine +   
5-(methylsulfanyl)-2,3-dioxopentyl phosphate(2-) 
5-amino-1-(5-phospho-beta-D-ribosyl)imidazole 
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide(2-) +  
5-amino-1-(5-phosphonato-D-ribosyl)imidazol-3-ium 
5-amino-1-(5-phosphonato-D-ribosyl)imidazole-4-carboxylate 
5-amino-2-oxopentanoic acid 
5-aminolevulinic acid +   
5-aminopentanoic acid +  
5-dehydro-L-gluconic acid 
5-diphospho-1D-myo-inositol pentakisphosphate 
5-dodecenoate 
5-dodecenoic acid +  
5-epi-valiolone +  
5-epi-valiolone 7-phosphate 
5-epi-valiolone 7-phosphate(2-) 
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide(2-) 
5-formimidoyltetrahydrofolate(2-) 
5-formyluracil 
5-guanidino-2-oxopentanoic acid 
5-hydroperoxy-15-HETE +  
5-hydroxy-L-tryptophan 
5-hydroxy-N-formylkynurenine +  
5-hydroxybenzimidazole 
5-hydroxyindole  
5-hydroxyisouric acid +  
5-hydroxykynurenine +  
5-hydroxymethyluracil +  
5-hydroxytryptophan +  
5-methyl-1-naphthoate 
5-methyl-1-naphthoic acid 
5-methylcytosine +   
5-methyldec-1-ene 
5-methyltetrahydrofolate(2-) 
5-O-phosphonato-alpha-D-ribofuranosyl diphosphate(5-) 
5-O-phosphono-alpha-D-ribofuranosyl diphosphate 
5-oxo-4,5-dihydro-2-furylacetate 
5-oxo-4,5-dihydro-2-furylacetic acid 
5-oxo-ETE  
5-oxoprolinate +  
5-oxoproline +   
5-PAHSA 
5-PAHSA(1-) 
5-phospho-beta-D-ribosylaminium(1-) 
5-tricosylresorcinol 
5a,11a-dehydrooxytetracycline 
5alpha-androstane +   
5alpha-androstane-3alpha,17beta-diol +  
5alpha-androstane-3beta,17beta-diol +  
5alpha-cholest-7-en-3beta-ol +   
5alpha-cholest-8-en-3beta-ol 
5alpha-cholesta-7,24-dien-3beta-ol 
5alpha-pregnane-3,20-dione  
5beta-cholestan-3-one 
5beta-cholestane-3alpha,7alpha,12alpha,26-tetrol +  
5beta-cholestane-3alpha,7alpha,12alpha-triol 
5beta-cholestane-3alpha,7alpha,26-triol 
5beta-cholestane-3alpha,7alpha-diol 
5beta-dihydrotestosterone 
5beta-pregnane-3,20-dione 
6,7-dihydrobiopterin +  
6-(2-amino-2-carboxyethyl)-4-hydroxybenzothiazole 
6-(3'-methylbuten-2-yl)isatin 
6-(alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol +  
6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol(1-) 
6-amino-2-oxohexanoic acid +  
6-diazo-5-oxo-L-norleucine 
6-hydroxymethyladenine 
6-ketopiperidine-2-carboxylic acid 
6-lactoyl-5,6,7,8-tetrahydropterin +  
6-linalyl-2-O,3-dimethylflaviolin 
6-methyladenine 
6-methylpretetramide 
6-O-phosphonato-D-glucono-1,5-lactone(2-) 
6-oxoprostaglandin F1alpha  
6beta-hydroxycortisol  
6beta-hydroxycortisone 
6beta-hydroxytestosterone +   
7,12-dioxolithocholic acid 
7,8-dihydroneopterin +  
7,8-dihydroneopterin 3'-triphosphate(4-) 
7,8-dihydroxanthopterin 
7,9-dihydro-1H-purine-2,6,8(3H)-trione +   
7-(2-amino-2-carboxyethyl)-5-hydroxy-2H-1,4-benzothiazine-3-carboxylic acid 
7-(2-amino-2-carboxyethyl)-5-hydroxy-3,4-dihydro-2H-1,4-benzothiazin-3-one 
7-dehydrodesmosterol 
7-epi-ent-eudesmane-5,11-diol 
7-methylguanine +   
7-O-geranyl-2-O,3-dimethylflaviolin 
7-oxo-5alpha-cholestan-3beta-ol 
7-oxolithocholic acid +   
7-PAHSA 
7-PAHSA(1-) 
7alpha,12alpha-dihydroxy-3-oxo-5beta-cholan-24-oic acid +  
7alpha,12alpha-dihydroxy-5beta-cholestan-3-one 
7alpha,12alpha-dihydroxycholest-4-en-3-one 
7alpha,25-dihydroxy-4-cholesten-3-one 
7alpha,25-dihydroxycholesterol 
7alpha,26-dihydroxycholesterol +  
7alpha-hydroxy-3-oxo-4-cholestenoic acid 
7alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid 
7alpha-hydroxy-5beta-cholestan-3-one 
7alpha-hydroxycholest-4-en-3-one  
8,12-diethyl-3-vinylbacteriochlorophyllide d 
8-aminooctanoic acid 
8-demethyl-8-(2,3,4-O-trimethyl-alpha-L-rhamnosyl)tetracenomycin C 
8-demethyl-8-(2,3-O-dimethyl-alpha-L-rhamnosyl)tetracenomycin C 
8-demethyl-8-(2-O-methyl-alpha-L-rhamnosyl)tetracenomycin C 
8-demethyl-8-(alpha-L-rhamnosyl)tetracenomycin C 
8-demethyltetracenomycin C 
8-epi-prostaglandin E2  
8-hydroxyadenine 
8-methylmenaquinol-6 
8-methylmenaquinone-6 
8-nitroguanosine 3',5'-cyclic monophosphate 
8-oxoadenine 
8-PAHSA 
8-PAHSA(1-) 
9(S)-HPODE 
9,10-epoxyoctadecanoic acid +  
9,17-dioxo-1,2,3,4,10,19-hexanorandrostan-5-oate 
9,17-dioxo-1,2,3,4,10,19-hexanorandrostan-5-oic acid +  
9-HODE +   
9-PAHSA 
9-PAHSA(1-) 
9E,11E-octadecadienoic acid +   
[(3S)-4-(6-methylheptanoyl)-5-oxooxolan-3-yl]methyl phosphate 
[4-(6-methylheptanoyl)-5-oxo-2,5-dihydrofuran-3-yl]methyl phosphate 
[5-(aminomethyl)-3-furyl]methyl diphosphate 
[5-(aminomethyl)-3-furyl]methyl phosphate 
Ac-Asp-Glu  
acetaldehyde +   
acetate +   
acetoacetate 
acetoacetyl-CoA(4-) 
acetone +   
acetyl dihydrogen phosphate 
acetyl phosphate(2-) 
acetyl-CoA(4-) 
acetylcholine +   
acetylpyruvic acid +  
aclacinomycin A  
aclacinomycin S 
aclacinomycin S zwitterion 
acrylate +   
acryloyl-CoA(4-) 
actinorhodin 
acyl-carrier protein +  
acylglycerone phosphate +  
adenine +   
adenine arabinoside +   
adenosine +   
adenosine 3',5'-bismonophosphate(4-) 
adenosine 5'-monophosphate(2-) +  
adenosylhopane 
adonixanthin 
ADP +   
ADP alpha-D-glucoside(2-) 
ADP(3-) +  
ADP-alpha-D-mannose 
ADP-D-ribose 2'-phosphate(4-) 
ADP-D-ribose(2-) +  
adrenaline +   
aflatoxin B1 +   
aflatoxin B1 exo-8,9-epoxide  
agmatinium(2+) 
agrocin 84 
AICA ribonucleotide  
aklaviketone 
albaflavenone 
albomycin delta1 +  
albomycin delta2 +  
albomycin epsilon +  
aldehydo-D-xylose +  
aldehydo-L-iduronate 
aldehydo-N-acetyl-D-glucosamine 
aldehydo-N-acetyl-D-mannosamine 
aldosterone +   
all-cis-5,8,11,14,17-icosapentaenoate +  
all-cis-docosa-4,7,10,13,16,19-hexaenoic acid +   
all-cis-docosa-7,10,13,16-tetraenoic acid +   
all-cis-icosa-8,11,14-trienoic acid +  
all-cis-icosa-8,11,14-trienoyl-CoA 
all-trans-4-hydroxyretinoic acid +   
all-trans-dodecaprenyl diphosphate 
all-trans-dodecaprenyl diphosphate(3-) 
all-trans-retinal +   
all-trans-retinoate +  
all-trans-retinoic acid +   
all-trans-retinol +   
allantoate 
allantoin +   
allocholic acid +  
allyl octadecyl oxalate 
alpha,alpha-trehalose +   
alpha-aminobutyrate 
alpha-aminobutyric acid +  
alpha-D-galactose 1-phosphate(2-) 
alpha-D-glucosamine 6-phosphate 
alpha-D-glucose 1,6-bisphosphate 
alpha-D-glucose 1,6-bisphosphate(4-) 
alpha-D-glucose 1-phosphate(2-) 
alpha-D-glucose-1,2-((13)C2) 
alpha-D-glucosyl-(1->3)-beta-D-mannose 
alpha-D-mannose 1-phosphate(2-) 
alpha-D-mannosyl-beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
alpha-D-ribofuranose 5-phosphate 
alpha-D-ribose 1-phosphate(2-) 
alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1->1')-Cer +  
alpha-linolenate +  
alpha-linolenoyl-CoA 
alpha-maltotriose +  
alpha-Man-(1->2)-alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->3)-[alpha-Man-(1->2)-alpha-Man-(1->6)]-alpha-Man-(1->6)]-beta-Man-(1->4)-beta-GlcNAc-(1->4)-alpha-GlcNAc(PP-Dol) 
alpha-mycolic acid 
alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine +   
alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine(1-) +  
alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl group 
alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-D-Glc-(1<->1')-Cer 
alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
alpha-Neu5NAc-(2->8)-alpha-Neu5NAc-(2->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer 
alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->4)-[alpha-Neup5Ac-(2->8)-alpha-Neup5Ac-(2->8)-alpha-Neup5Ac-(2->3)]-beta-D-Galp-(1->4)-beta-D-Glcp-(1<->1')-Cer +  
alpha-Neup5NAc-(2->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-Glcp-(1<->1')-Cer 
alpha-phenylglycine +   
alpha-pinene oxide 
ambiguine H 
ambiguine I 
aminomalonic acid  
aminopyrrolnitrin 
ammonioacetone 
ammonium +   
amphotericin B +   
androst-4-ene-3,17-dione +   
androst-5-ene-3beta,17beta-diol  
androstane-3,17-dione +   
androsterone +   
androsterone 3-glucosiduronic acid  
androsterone sulfate 
angucycline +   
antelmycin 
anthranilate +  
anthranilic acid +   
anticapsin 
anticapsin zwitterion 
apo-[acyl-carrier protein] 
aquacob(III)alamin 
arabinitol +  
arachidonate +  
arachidonic acid +   
arachidonoyl-CoA(4-) 
ascomycin  
Asp-Tyr-Met-Gly-Trp-Met-Asp-Phe-NH2 
asukamycin 
ATP(3-) 
ATP(4-) +  
aurachin A 
aurachin B 
aurachin C +  
aureothin 
autoinducer-2 
avermectin +   
avilamycin A 
avilamycin A precursor 
azoxybacilin 
bacillaene 
bacillithiol 
bacterial xenobiotic metabolite +   
bacteriochlorophyllide a +  
bacteriochlorophyllide a(2-) +  
bacteriochlorophyllide g 
bacteriochlorophyllide g(2-) 
bacteriohopane-32,33,34,35-tetrol +  
bacteriohopanetetrol cyclitol ether 
bacteriohopanetetrol glucosamine 
bacterioruberin 
bafilomycin A1  
behenate +  
benzamidoxime  
benzothiazine +   
beta-alanine +   
beta-carotene +   
beta-citrylglutamic acid 
beta-cyclocitral +   
beta-D-fructofuranose 2,6-bisphosphate  
beta-D-fructofuranose 2,6-bisphosphate(4-) 
beta-D-galactopyranosyl-(1->4)-beta-D-galactopyranose 
beta-D-galactosyl-(1->3)-N-acetyl-D-galactosaminyl group 
beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-N-acylsphingosine +  
beta-D-galactosyl-(1->4)-beta-D-glucosyl-N-(hexacosanoyl)sphingosine 
beta-D-galactosyl-1,3-(N-acetyl-beta-D-glucosaminyl-1,6)-N-acetyl-D-galactosaminyl group 
beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(1-) +  
beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer +  
beta-D-mannosyldiacetylchitobiosyldiphosphodolichol 
beta-D-Manp-(1->4)-D-Glcp 
beta-dihydromenaquinone-9 
beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer 
beta-geranylfarnesene 
beta-heptaprene 
beta-hexaprene 
beta-L-altrose +  
beta-L-Ara4N-lipid A +  
beta-leucine +  
betaine aldehyde 
bilanafos 
bilirubin IXalpha  
bilirubin(2-) 
biliverdin +   
biliverdin hydrochloride 
biliverdin(2-) 
biotin +   
biotin amide 
biotinate +  
biotinyl-5'-AMP 
bis(2-methylundecan-2-yl) disulfide 
bis(beta-glucosyluronate)bilirubin 
bisanhydrobacterioruberin 
blasticidin S +  
bleomycin A5  
boromycin 
borrelidin  
brasilicardin A 
brassicasterol +  
brexanolone 
butan-1-ol +   
butan-2-one +   
butyrate +   
butyryl-CoA(4-) 
caerulomycin A 
caerulomycin C 
caerulomycin F 
caerulomycin G 
caerulomycin H 
caerulomycin I 
caerulomycin J 
caerulomycin K 
caerulomycinamide 
caerulomycinonitrile 
calcidiol +   
calciol +   
calcitetrol 
calcitriol +   
calcium(2+) +   
candicidin 
candicidin D +  
carbamoyl phosphate(2-) 
carbon dioxide  
carbon monoxide  
carboxyacetyl-[acyl-carrier protein] 
cardiolipin +  
carnitine +   
carnitinium +  
carnosine +   
CDP(3-) +  
CDP-1-palmitoyl-2-arachidonoyl-sn-glycerol 
CDP-1-palmitoyl-2-arachidonoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-arachidonoyl-sn-glycerol 
CDP-1-stearoyl-2-arachidonoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-linoleoyl-sn-glycerol 
CDP-1-stearoyl-2-linoleoyl-sn-glycerol(2-) 
CDP-1-stearoyl-2-oleoyl-sn-glycerol 
CDP-1-stearoyl-2-oleoyl-sn-glycerol(2-) 
CDP-choline  
CDP-diacylglycerol(2-) +  
CDP-ethanolamine(1-) 
cembrene C +  
cerotate +  
cetoniacytone A 
chenodeoxycholate +  
chenodeoxycholic acid +   
chenodeoxycholoyl-CoA 
chitin  
chloride +   
chlorobactene 
chloroeremomycin 
chloroorienticin B 
chloroxanthin 
cholate +   
cholest-4-en-3-one +   
cholesta-5,7-dien-3beta,24S-diol 
cholesta-5,7-dien-3beta,25-diol 
cholesta-5,7-dien-3beta-ol +   
cholestanol 7alpha,8alpha-epoxide 
cholesterol +   
cholesterol sulfate  
cholesteryl acetate 
cholesteryl linoleate  
cholesteryl palmitate  
cholic acid +   
choline +   
choline alfoscerate 
choline phosphate(1-) 
choloyl-CoA(4-) 
chondramide +  
chondramide A +  
chondramide B 
chondramide C +  
chondramide D 
chondrochloren A 
chondrochloren B 
chromomycin +  
chromopyrrolic acid 
chrysobactin 
cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioate 
cis,cis-2-ammonio-3-(3-oxoprop-1-enyl)but-2-enedioate(1-) 
cis-3-hydroxy-D-proline 
cis-aconitate(3-) 
cis-dodec-3-enoyl-CoA(4-) 
cis-resveratrol 3-O-glucuronide 
citraconic acid  
citramalate(2-) +  
citramalic acid +  
clavaldehyde 
clavaldehyde(1-) 
clavulanic acid 
CMP-3-deoxy-D-glycero-beta-D-galacto-nonulosonic acid 
CMP-5'-phosphonoformic acid 
CMP-8-amino-3,8-dideoxy-alpha-D-manno-oct-2-ulosonic acid 
CMP-N-acetyl-beta-neuraminate(2-) 
CMP-N-glycoloyl-beta-neuraminate(2-) 
cob(I)alamin 
cob(II)alamin 
cobalt(II)-factor IV 
cobalt(II)-factor IV(6-) 
cobamamide +   
cocaine(1+) +  
coelichelin 
coelichelin(3-) +  
coelimycin P1 
coenzyme A(4-) +  
coenzyme Q10  
concanamycin +   
conglobatin 
coproporphyrin I 
coproporphyrin III 
coproporphyrinogen I 
coproporphyrinogen III(4-) 
corticosterone +   
cortisol +   
cortisol 21-sulfate 
cortisone +   
corynebactin 
coumarin +   
coumermycin A1 
creatine +   
creatinine  
crotonoyl-CoA(4-) 
CTP(4-) +  
curamycin A 
cyanate +   
cyanotoxin +   
cyclo(L-Leu-L-Pro) 
cycloheximide  
cyclooctasulfur 
cyclooctatin +  
cysteamine +   
cysteaminium 
cystine +   
cystine zwitterion +  
cystothiazole A 
cytidine +   
cytidine 5'-monophosphate +   
cytidine 5'-monophosphate(2-) +  
cytosine +   
cytosylglucuronate 
cytosylglucuronic acid 
D-2,4-diaminobutyric acid 
D-4-hydroxyphenylglycine zwitterion 
D-alaninate 
D-alanine +  
D-alaninium 
D-allothreonine 
D-argininium(1+) +  
D-aspartate(1-) +  
D-erythrose 4-phosphate  
D-erythrose 4-phosphate(2-) 
D-erythrulose 4-phosphate 
D-erythrulose 4-phosphate(2-) 
D-fructose 6-phosphate(2-) 
D-galactonate +  
D-galactono-1,4-lactone +  
D-galactopyranose 1-phosphate +   
D-galactose +   
D-glucarate(2-) +  
D-glucitol +   
D-gluconate +  
D-glucopyranose +   
D-glucopyranose 6-phosphate(2-) +  
D-glucopyranuronate +  
D-glucosamine +   
D-glucosamine 6-phosphate +   
D-glucose-(13)C6 
D-glucosyl-N-acylsphingosine +  
D-glucuronate +  
D-glucuronate 1-phosphate 
D-glucurono-6,3-lactone  
D-glyceraldehyde +   
D-isoleucine +  
D-isoleucinium 
D-kynurenine 
D-leucinate 
D-leucine +  
D-leucinium 
D-lysinate 
D-lysine +  
D-lysinium(1+) +  
D-lysinium(2+) 
D-mannitol 1-phosphate 
D-mannose 1-phosphate +  
D-o-tyrosine +  
D-ornithinium(1+) 
D-pipecolate 
D-pipecolic acid 
D-prolinate 
D-prolinium +  
D-prolinol 
D-ribose +   
D-ribosylnicotinate 
D-ribulose +  
D-ribulose 5-phosphate(2-) 
D-serine +  
D-tagatofuranose 1,6-bisphosphate(4-) 
D-tagatofuranose 6-phosphate(2-) 
D-threitol  
D-tryptophan +  
D-tryptophanate +  
D-tryptophanium 
D-tryptophanyl radical +  
D-xylose 5-phosphate 
D-xylulose +   
D-xylulose 5-phosphate(2-) +  
dADP +  
dADP(3-) 
dapdiamide +  
dapdiamide A zwitterion 
dapdiamide B zwitterion 
dapdiamide C zwitterion 
dapdiamide E zwitterion 
daptomycin 
dATP(4-) 
daunorubicin +   
dCDP 
dCDP(3-) +  
dCTP +   
deamido-NAD(+) +   
debrisoquin +   
decane-1,2-diol 
decanoate +  
decanoic acid +   
decanoyl-[acyl-carrier protein] 
decanoyl-CoA(4-) +  
decarbamoylsaxitoxin 
decyl palmitate 
dehydroascorbide(1-) 
dehydroepiandrosterone +   
dehydroepiandrosterone sulfate  
dehydroepiandrosterone sulfate(1-) +  
deoxyaureothin +  
deoxycholate +  
deoxycholoyl-CoA(4-) 
deoxyhypusine +  
deoxyribonucleic acid +  
deoxyspectinabilin +  
deoxyviolacein 
deoxyviolaceinate 
deoxyviolaceinic acid 
desferrioxamine E 
desmosterol +   
devancoaminyl vancomycin 
dGDP(3-) 
dGTP  
dibenzo[a,l]pyrene  
diglyceride +   
dihomolinoleate 
dihomolinoleic acid +  
dihydrobisanhydrobacterioruberin 
dihydrofolate(2-) 
dihydrogen +   
dihydrogenistein +  
dihydroisopentenyldehydrorhodopin 
dihydrolipoamide +   
dihydrolipoate +  
dihydrolipoic acid +   
dihydrolipoylprotein 
dihydroxy mycolic acid 
dihydroxyacetone +   
dihydroxyacetone phosphate  
dinitrogen oxide  
dioxygen +   
diphosphate(3-) +  
dipicolinic acid +   
disodium cytidine 5'-monophosphate 
dITP(4-) 
docosahexaenoic acid +   
dodecamethylpentasiloxane 
dodecanedioate(2-) 
dodecanedioic acid +   
dolichol +   
dolichyl beta-D-glucosyl phosphate 
dolichyl D-mannosyl phosphate +  
dolichyl diphosphate 
dolichyl phosphate(2-) 
dopa +   
dopamine +   
dopaminium(1+) 
dTDP(3-) 
dTDP-3,4-didehydro-2,6-dideoxy-alpha-D-glucose 
dTDP-4-(methylamino)-2,3,4,6-tetradeoxy-alpha-D-glucose 
dTDP-4-(methylammonio)-2,3,4,6-tetradeoxy-alpha-D-glucose(1-) 
dTDP-4-amino-2,3,4,6-tetradeoxy-alpha-D-glucose 
dTDP-4-dehydro-2,3,6-trideoxy-alpha-D-glucose 
dTDP-4-dehydro-2,3,6-trideoxy-alpha-D-glucose(2-) 
dTDP-4-dehydro-2,6-dideoxy-alpha-D-glucose 
dTDP-4-dehydro-2,6-dideoxy-alpha-D-glucose(2-) 
dTDP-4-dehydro-6-deoxy-alpha-D-glucose(2-) 
dTDP-4-dehydro-6-deoxy-L-mannose(2-) 
dTDP-alpha-D-forosamine 
dTDP-alpha-D-forosamine(1-) 
dTDP-alpha-D-glucose(2-) +  
dTDP-beta-L-daunosamine 
dTDP-beta-L-daunosamine(1-) 
dTDP-L-rhamnose +  
dTMP(2-) +  
dTTP(4-) 
dUDP(3-) 
dUMP(2-) +  
dUTP +  
duvoglustat +   
dyspropterin +  
ecgoninium methyl ester(1+) 
echinenone +  
EI-1511-5 
EI-1625-2 
ekatetrone 
elaiophylin 
elloramycin A 
emamectins +   
enterobactin +  
enterobactin(1-) 
epiandrosterone +  
epiandrosterone sulfate 
epiandrosterone sulfate(1-) 
epidihydrocholesterin 
epitestosterone +   
epithienamycin E 
epothilone +   
erucamide  
erythritol +  
erythro-4-hydroxy-L-glutamate(1-) 
erythro-5-hydroxy-L-lysine 
erythro-5-hydroxy-L-lysinium(1+) 
erythromycin +   
erythromycin A(1+) 
erythronate +  
erythronic acid +  
Escherichia coli metabolite +   
estetrol 
estra-1(10),4-diene-2,3,17-trione 
estra-1,5(10)-diene-3,4,17-trione 
estradiol +   
estriol +   
estrone +   
estrone 3-O-(beta-D-glucuronide)  
estrone 3-sulfate  
estrone 3-sulfate(1-) 
ethanol +   
ethanolamine +   
ethanolaminium(1+) +  
ethoxide +  
ethyl linolenate 
ethyl phenylglyoxylate 
ethylamine +   
ethylmalonic acid +   
FAD  
FADH2(2-) +  
ferric yersiniabactin 
ferricytochrome b5 
ferricytochrome c +  
ferrioxamine E 
ferrocytochrome c +  
ferroheme b +   
fidaxomicin 
filipin III  
flavuxanthin 
flexirubins +  
FMN +   
FMN(3-) +  
folic acid +   
formate +  
formobactin 
formyl-CoA(4-) 
fortimicin KK1 
fosmidomycin 
FR901463 
FR901464 
FR901465 
fructosylglycine 
fumarate(2-) +  
furanomycin 
galactarate(1-) 
galactarate(2-) 
galactaric acid +   
galactitol +  
galactonic acid +  
gamma-aminobutyrate +   
gamma-aminobutyric acid +   
gamma-CEHC beta-glucuronide 
gamma-Glu-Gln 
gamma-Glu-Gln(1-) 
gamma-Glu-Glu 
gamma-Glu-Glu(2-) 
gamma-Glu-Gly 
gamma-Glu-Ile 
gamma-Glu-Leu 
gamma-Glu-Met 
gamma-Glu-Met(1-) 
gamma-Glu-Thr 
gamma-Glu-Thr(1-) 
gamma-Glu-Tyr 
gamma-Glu-Tyr(1-) 
gamma-Glu-Val 
gamma-Glu-Val(1-) 
gamma-glutamylphenylalanine 
gamma-glutamylthreonine 
gamma-glutamyltyramine 
gamma-linolenate +  
gamma-linolenic acid +   
gamma-linolenoyl-CoA(4-) 
GDP(3-) +  
GDP-4-dehydro-6-deoxy-alpha-D-mannose(2-) 
GDP-alpha-D-mannose +  
GDP-alpha-D-mannose(2-) 
GDP-glucose +   
GDP-L-fucose(2-) 
GDP-N,N'-diacetylbacillosamine 
GDP-N,N'-diacetylbacillosamine(2-) 
gellan gum 
geranyl diphosphate(3-) 
geranyl phosphate 
ghrelin  
gibberellin A1(1-) 
gibberellin A15 (lactone form) +  
gibberellin A7 
glucarate(2-) +  
glucaric acid +   
glucuronic acid +   
glutaconate(2-) +  
glutaconic acid +  
glutarate(1-) +  
glutarate(2-) +  
glutaric acid +   
glutaryl-CoA(5-) 
glutathionate(1-) +  
glutathione +   
glutathione disulfide(2-) 
glutaurine 
Gly-Phe zwitterion 
Gly-Val 
glyceraldehyde 3-phosphate +   
glyceraldehyde 3-phosphate(2-) 
glycerate +  
glycerol +   
glycerol 1-phosphate +   
glycerone phosphate(2-) 
glycochenodeoxycholate +  
glycochenodeoxycholic acid +   
glycocholate +  
glycocholic acid  
glycodeoxycholate +  
glycodeoxycholic acid +   
glycohyocholate 
glycohyocholic acid 
glycolaldehyde +   
glycolate +  
glycolithocholate 
glycylglycine 
glycylglycine zwitterion 
glyoxylate +  
glyoxylic acid +   
gondamide 
gondoate 
griseochelin 
GTP(4-) +  
guaiacylglycerol beta-coniferyl ether 
guanidinoacetic acid 
guanine +   
guanosine 5'-monophosphate(2-) +  
hapalindole +  
hapalindole H 
heparan sulfate  
hex-2-ulofuranosyl hexopyranoside 
hexadecan-1-ol +  
hexadecanal +  
hexadecanedioate(2-) 
hexadecanedioic acid +  
hexadecanoate +   
hexanoate +   
hexanoic acid +   
hexanoyl-CoA +   
histamine +   
histaminium 
holo-[acyl-carrier protein] 
homocysteine zwitterion 
homocystine +  
homocystine zwitterion +  
homogentisate 
homogentisic acid 
homoplatensimide A +  
homoplatensimide A methyl ester 
homovanillate 
homovanillic acid +   
hop-17(21)-ene +  
hop-21(22)-ene +  
hordenine 
human blood serum metabolite +   
human urinary metabolite +   
human xenobiotic metabolite +   
hyaluronic acid  
hydrogen cyanide +   
hydrogencarbonate +   
hydrogensulfite +   
hydrosulfide +  
hydroxidodioxidosulfidosulfate(1-) 
hydroxyacetone +  
hygrolidin 
hyodeoxycholate 
hyodeoxycholic acid +   
hypochlorous acid +   
hypotaurine +   
hypothiocyanous acid 
icosanoate +  
icosanoyl-CoA +  
icosatetraenoic acid +   
IDP(3-) 
iduronic acid +  
ikarugamycin 
Ile(5)-angiotensin II  
Ile(5)-angiotensin II dizwitterion 
Ile-Ile 
imidazol-4-ylacetate 
imidazole-4-acetaldehyde 
iminoarginine 
IMP +   
IMP(2-) +  
indanomycin 
indigoidine 
indol-3-ylacetaldehyde  
indole +   
indole-3-acetamide 
indole-3-acetate 
indole-3-acetic acid +   
indole-3-carbaldehyde 
indole-3-carboxylic acid +   
indolmycenic acid 
indolmycin 
indoxyl sulfate  
inosine +   
iodide +   
iodine atom +   
iron(2+) +   
iron(3+) +   
isethionic acid  
isobutyrate +  
isobutyric acid anhydride 
isobutyryl-CoA +   
isobutyryl-CoA(4-) 
isocaproic acid +   
isocitrate(3-) +  
isolithocholic acid 
isomaltose +  
isonicotinic acid +   
isonocardicin C 
isooctanediol dibutyrate 
isopentenyl diphosphate(3-) 
isopentenyldehydrorhodopin 
isopentylamine 
isopropyl dodecanoate 
isopropyl palmitate  
isoursodeoxycholic acid 
isovaleric acid +   
isovaleryl-CoA(4-) +  
itaconate(2-) 
itaconic acid +  
itaconyl-CoA(5-) 
ITP +  
ITP(3-) 
jadomycin B 
K-252a +   
kalimantacin A 
kalimantacin B 
kalimantacin C 
kanamycin A +   
kanamycin A(4+) +  
kasugamycin 
keto-phenylpyruvate 
kisspeptin-54 
kynurenate 
kynurenic acid +   
kynurenine +  
L-2-amino-3-oxobutanoic acid 
L-2-aminoadipate(1-) 
L-2-aminoadipic acid +  
L-2-aminopentanoic acid 
L-2-aminopentanoic acid zwitterion 
L-4-hydroxyglutamic semialdehyde 
L-alloisoleucine +  
L-allysine +  
L-alpha-aminobutyric acid +  
L-altrarate(1-) 
L-altraric acid 
L-arabinitol +  
L-arabinose +  
L-argininium(1+) +  
L-ascorbate +  
L-asparagine +   
L-aspartate(1-) +  
L-beta-ethynylserine 
L-BMAA 
L-citrulline +  
L-citrulline zwitterion +  
L-cystathionine  
L-cysteate(1-) +  
L-cysteic acid 
L-cysteine +   
L-cysteine glutathione disulfide 
L-cysteine hydrochloride +  
L-cysteine hydrochloride hydrate 
L-cysteinylglycine +  
L-cysteinylglycine zwitterion 
L-cystine +   
L-cystine anion 
L-dihydroanticapsin 
L-dopa +  
L-dopa(1-) +  
L-dopachromate 
L-dopaquinone 
L-erythrulose +  
L-erythrulose 4-phosphate 
L-erythrulose 4-phosphate(2-) 
L-fucopyranose 1-phosphate +  
L-fucose +  
L-fuculose +  
L-galactonate +  
L-gamma-glutamyl phosphate(2-) 
L-gamma-glutamyl-L-cysteinate(1-) 
L-gamma-glutamyl-L-cysteine  
L-glutamate(1-) +   
L-glutamic 5-semialdehyde +  
L-glutamine +   
L-gulonate +  
L-gulono-1,4-lactone 
L-histidine +   
L-histidinol +  
L-homoarginine 
L-homocarnosine 
L-homocitrulline +  
L-homocitrulline zwitterion 
L-homocysteine thiolactone 
L-homophenylalanine 
L-homoserine +  
L-iditol 
L-isoleucine +  
L-kynureninate 
L-kynurenine +  
L-leucine +   
L-lysine +   
L-lysine zwitterion 
L-methionine +   
L-o-tyrosine +  
L-ornithinate +  
L-ornithinium(2+) 
L-pipecolate 
L-pipecolic acid +  
L-prolinate +  
L-prolinium +  
L-ribonic acid 
L-saccharopinate(1-) 
L-saccharopine 
L-selenocysteine +   
L-serine +   
L-sorbose +  
L-tagatofuranose 6-phosphate(2-) 
L-threonate 
L-threonine +  
L-thyroxine +  
L-tryptophan +   
L-tryptophanamide +  
L-valine +   
L-xylonate 
L-xylulose +  
lactate +  
lactose +   
lancovutide 
lanost-8-ene-3beta,30-diol  
lanosterol +   
lanthionine +   
lauroyl-CoA(4-) +  
leptomycin A 
leptomycin B  
Leu-Leu 
leucomycin +   
leucomycin V 
leukotriene A4(1-) 
leukotriene B4 +   
leukotriene B4(1-) 
leukotriene C4 +   
leukotriene C4(2-) 
leukotriene D4  
leukotriene E4(1-) 
leukotriene F4 
leupeptin  
levodione 
levoglucosan 
limonene +   
lincomycin +   
linoleamide  
lipid A 1,4'-bis(2-aminoethyl diphosphate) 
lipoamide +   
lipoate +  
lipoxin A4 +   
lipoxin B4 +  
lipoyl-AMP(1-) +  
lipoylprotein 
lithocholate +  
lithocholic acid +   
lithocholyl-CoA 
lucensimycin E 
lugdunin 
lysophosphatidylcholine +   
lysophosphatidylcholine 20:2 +  
lysophosphatidylcholine 20:5 +  
lysophosphatidylcholine 22:4 +  
lysophosphatidylcholine(0:0/16:0) +  
lysophosphatidylcholine(0:0/16:1) +  
lysophosphatidylcholine(0:0/18:0) +  
lysophosphatidylcholine(0:0/18:2) +  
lysophosphatidylcholine(0:0/20:4) +  
lysophosphatidylcholine(0:0/20:5) 
lysophosphatidylcholine(16:1/0:0) +  
lysophosphatidylcholine(18:0/0:0) 
lysophosphatidylcholine(18:2/0:0) +  
lysophosphatidylcholine(20:4/0:0) +  
lysophosphatidylethanolamine 16:0 +  
lysophosphatidylethanolamine 18:2 +  
m-tyraminium 
macrocin 
malacidin A 
malacidin B 
malonate(2-) +  
malonic acid +   
malonyl-CoA(5-) 
maltose +   
mannarate(2-) +  
mannaric acid +  
mannitol +   
Me-YTM-T 
melatonin +   
menatetrenone +   
mesaconate(2-) 
mesaconic acid +  
mesaconyl-CoA 
meso-2,6-diaminopimelic acid +  
meso-2,6-diaminopimelic acid dizwitterion 
methacrylyl-CoA  
methane +   
methanethiol +   
methanol +   
methionine S-oxide +  
methoxide 
methoxy mycolic acid 
methyl gamma-D-aspartate 
methyl gamma-linolenate 
methyl icosapentaenoate 
methyl pentadecanoate 
methyl phenylglyoxalate 
methylammonium +  
methylcobalamin  
methylene group 
methylglyoxal +   
methylmalonate(1-) 
methylmalonate(2-) 
methylmalonic acid +   
methylmalonyl-CoA +  
methylsuccinic acid 
methymycin 
microcystin LF  
microcystin LW 
microcystin RR  
microcystin-LR  
milbemycin +   
mitomycin +   
mono(glucosyluronic acid)bilirubin(2-) 
monoacylglycerol 14:0 +  
monoacylglycerol 16:0 +  
monoacylglycerol 16:1 +  
monoacylglycerol 18:0 +  
monoacylglycerol 18:1 +   
monoacylglycerol 18:2 +  
monoacylglycerol 18:3 +  
monoacylglycerol 20:5 +  
monoanhydrobacterioruberin 
monodechloroaminopyrrolnitrin 
monodehydro-L-ascorbate(1-) 
mupirocin 
muramic acid +  
murideoxycholate 
murideoxycholic acid 
mutalomycin 
mycinamicin +  
Mycoplasma genitalium metabolite +   
mycothiol +  
myo-inositol +   
myo-inositol 1,3,4,5,6-pentakisphosphate(10-) 
myo-inositol 1,3,4,6-tetrakisphosphate(8-) 
myo-inositol 1,3-bisphosphate 
myo-inositol hexakisphosphate(12-) 
myristamide 
myristoyl-[acyl-carrier protein] 
myristoyl-CoA(4-) +  
myristyl palmitate 
myxochelin B 
N(1),N(12)-diacetylsperminium(2+) 
N(1)-(5-phospho-D-ribosyl)glycinamide(1-) +  
N(1)-acetylspermidinium(2+) 
N(1)-acetylspermine 
N(1)-acetylsperminium(3+) 
N(1)-isopropyl-2-methylpropan-1,2-diamine 
N(2),N(2)-dimethylguanosine 
N(2)-acetyl-L-lysine 
N(2)-acetyl-L-lysine zwitterion 
N(2)-acetyl-L-ornithine 
N(2)-acetyl-L-ornithine zwitterion 
N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide(2-) 
N(2)-methylguanine 
N(2)-phenylacetyl-L-glutaminate 
N(2)-phenylacetyl-L-glutamine 
N(3)-fumaramoyl-(S)-2,3-diaminopropanoic acid 
N(3)-fumaroyl-(S)-2,3-diaminopropanoic acid 
N(4)-\{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-[alpha-L-fucosyl-(1->6)]-N-acetyl-beta-D-glucosaminyl\}-L-asparagine 
N(4)-aminopropylspermidine 
N(4)-aminopropylspermidine(4+) 
N(4)-aminopropylspermine 
N(4)-aminopropylspermine(5+) 
N(4)-bis(aminopropyl)spermidine(1+) 
N(4)-bis(aminopropyl)spermidine(5+) 
N(5)-[(Z)-amino(hydroxyimino)methyl]ornithine +  
N(6),N(6),N(6)-trimethyl-L-lysine +  
N(6)-(1,2-dicarboxylatoethyl)-AMP(4-) 
N(6)-acetyl-L-lysine +  
N(8)-acetylspermidine 
N(8)-acetylspermidinium(2+) 
N(alpha)-acetyl-L-arginine +  
N(pros)-methyl-L-histidine +  
N(tele)-methyl-L-histidine +  
N(tele)-methylhistamine  
N(tele)-methylhistaminium 
N,N'-diacetylchitobiose +  
N,N'-diacetylchitobiosyldiphosphodolichol 
N,N,N-trimethylglycyl-CoA 
N,N,N-trimethylglycyl-CoA(3-) 
N,N-dimethylacetamide 
N,N-dimethylethanolamine phosphate 
N,N-dimethylglycine  
N-(2-furoyl)glycinate 
N-(2-furoyl)glycine 
N-(2-methylbutanoyl)glycine 
N-(3-oxododecanoyl)-L-homoserine lactone 
N-(gamma-L-glutamyl)-L-alaninol 
N-(gamma-L-glutamyl)-L-alaninol zwitterion 
N-[(2S)-2-amino-2-carboxyethyl]-L-glutamic acid 
N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonate 
N-[(9-beta-D-ribofuranosylpurin-6-yl)carbamoyl]threonine 
N-[(9Z)-hexadecenoyl]glycine 
N-[(E)-4-ammoniobutylidene]propane-1,3-diaminium 
N-[(R)-4-phosphonatopantothenoyl]-L-cysteinate(3-) 
N-[(R)-pantothenoyl]-L-cysteinate 
N-acetyl-alpha-D-glucosamine 1-phosphate 
N-acetyl-beta-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide +  
N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide(d18:1(4E)) +  
N-acetyl-beta-D-glucosaminyl-(1->3)-N-acetyl-D-galactosaminyl group +  
N-acetyl-beta-D-glucosaminyl-1,6-(N-acetyl-beta-D-glucosaminyl-1,3)-N-acetyl-D-galactosaminyl group 
N-acetyl-D-galactosamine +  
N-acetyl-D-galactosamine 1-phosphate +  
N-acetyl-D-glucosamine +   
N-acetyl-D-glucosamine 6-phosphate +  
N-acetyl-D-glucosamine 6-phosphate(2-) +  
N-acetyl-D-glucosaminyldiphosphodolichol 
N-acetyl-D-mannosamine +  
N-acetyl-D-mannosamine 6-phosphate(2-) 
N-acetyl-L-2-aminoadipic acid 
N-acetyl-L-alanine +  
N-acetyl-L-aspartate(2-) +  
N-acetyl-L-aspartic acid +   
N-acetyl-L-cysteinate 
N-acetyl-L-cysteine +   
N-acetyl-L-gamma-glutamyl phosphate(3-) 
N-acetyl-L-glutamate(2-) +  
N-acetyl-L-glutamic acid 
N-acetyl-L-glutamine 
N-acetyl-L-isoleucinate 
N-acetyl-L-serine +  
N-acetylcadaverine 
N-acetylglycinate +   
N-acetylglycine +  
N-acetylhistamine 
N-acetylisoleucine +  
N-acetylneuraminate +  
N-acetylneuraminic acid +   
N-acetylneuraminic acid 9-phosphate 
N-acetylputrescinium 
N-acetylserotonin  
N-acyl-beta-D-galactosylsphingosine +  
N-acylsphinganine +   
N-acylsphingosine +   
N-acylsphingosine 1-phosphate(2-) +  
N-arachidonoyl-2-oxoserotonin 
N-arachidonoylglycinate 
N-arachidonoylserotonin 
N-benzoylglycinate 
n-butyl oleate 
N-butylformamide 
N-carbamoyl-beta-alaninate 
N-carbamoyl-L-aspartate(2-) 
N-carbamoylaspartic acid +  
N-carbamoylglutamic acid 
N-demethylindolmycin 
N-formimidoyl-L-glutamate(2-) +  
N-formyl-L-kynurenine +  
N-formylanthranilate 
N-glycoloylneuraminate +  
N-hexacosahexaenoylsphingosine 
N-hexadecanoylglycine +  
N-hexadecanoylsphinganine-1-phosphocholine 
N-hydroxy-2-methylpropanamine 
N-isopropyl-L-glutamine 
N-isopropyl-L-glutamine zwitterion 
N-methylbutan-2-amine 
N-methylethanolaminium phosphate(1-) 
N-methylhydantoin 
N-methylphenylethanolamine 
N-methylphenylethanolaminium 
N-methylproline 
N-methylproline zwitterion 
N-methylputrescinium(2+) 
N-methylserotonin 
N-methyltyraminium 
N-octadecanoylglycine 
N-phosphocreatinate(2-) 
N-phosphocreatine 
N-propylbenzamide 
N-ribosylnicotinamide  
NAD(1-) +  
NADH(2-) +  
NADP(3-) 
NADPH(4-) +  
nanaomycin A 
nandrolone +   
narbomycin 
neomethymycin 
neopikromycin 
neopikromycin(1+) 
neurotensin  
nicotinate D-ribonucleotide(2-) 
nifedipine  
nigericin  
ninhydrin 
nitric oxide  
nitrite +   
NMN(-) 
nocamycin E +  
nocamycin E(2-) 
nocamycin I 
nocamycin I(1-) 
nocardicin C 
nocardicin G 
nociceptin  
nogalaviketone 
nogalonic acid +  
nonadec-1-ene 
nonaflavuxanthin 
nonanal  
nonyl palmitate 
nordazepam  
norlaudanosoline +   
novamethymycin 
novapikromycin 
novclobiocin 109 
nystatins +   
O(4')-sulfo-L-tyrosinate(1-) 
O(4')-sulfo-L-tyrosine 
O(4)-methylthymine 
O-(2-tetradecenoyl)carnitine 
O-(3-hydroxyvaleryl)-L-carnitine 
O-(dimethylnonenoyl)carnitine 
O-[(5Z)-tetradecenoyl]-L-carnitine 
O-acetyl-L-carnitine  
O-acetyl-L-serine +  
O-acetylcarnitine +   
o-aminoacetophenone  
O-butanoylcarnitine +   
O-decanoyl-L-carnitine 
O-dodecanoylcarnitine +  
O-glutaroyl-L-carnitine 
O-heptadecanoylcarnitine 
O-hexanoyl-L-carnitine 
O-hexanoylcarnitine +  
O-isobutyryl-L-carnitine 
O-isobutyrylcarnitine +  
O-isovalerylcarnitine +  
O-linoleyl-L-carnitine 
O-methylserotonin +   
O-octadecanoyl-L-carnitine 
O-octanoyl-L-carnitine 
O-oleoylcarnitine 
O-palmitoyl-L-carnitine 
O-phospho-L-serine +  
O-phosphoethanolamine +  
O-phosphonato-L-homoserine(2-) 
O-phosphonato-L-serine(2-) +  
O-phosphonatoethanaminium(1-) 
O-phosphonatooxy-D-serine(2-) 
O-phosphoserine +  
O-propanoylcarnitine +  
O-stearoylcarnitine 
O-succinylcarnitine 
O-tetradecanoyl-L-carnitine 
O-tiglylcarnitine +  
o-tyrosine 
O-undecenoylcarnitine 
octadecadienoate +  
octadecan-1-ol +   
octadecane +   
octadecanoate +  
octadecanoic acid +   
octanoate +  
octanoic acid +   
octanoyl-[acyl-carrier protein] 
octanoyl-CoA(4-) +  
octyl palmitate 
oleamide  
oleandomycins +   
oleoyl-CoA(4-) 
oligomycin +   
olivomycin +  
omega-3 fatty acid +   
omega-hydroxy-beta-dihydromenaquinone-9 
omega-hydroxymenaquinone-4 
omeprazole +   
ophthalmic acid 
opine +  
orlistat  
ornithine +   
ornithinium(1+) +  
orotate +  
orotidine 
orotidine 5'-phosphate 
orotidine 5'-phosphate(3-) 
ossamycin 
oxalate(1-) +  
oxalate(2-) +   
oxalic acid +   
oxaloacetate(2-) 
oxetanocin A +  
oxidopamine  
oxytetracycline  
P(1),P(4)-bis(5'-adenosyl) tetraphosphate(4-) 
p-cresol +   
p-cresol sulfate 
p-cresol sulfate(1-) 
p-Glu-Arg-Pro-Arg-Leu-Ser-His-Lys-Gly-Pro-Met-Pro-Phe 
p-methoxybenzaldehyde  
paclitaxel +   
paerucumarin 
palmitoleamide 
palmitoleate +  
palmitoleoyl-CoA(4-) 
palmitoyl-[acyl-carrier protein] 
palmitoyl-CoA(4-) 
palmitoyllipid A 
pantetheine 
pantetheine 4'-phosphate(2-) +  
parabanic acid +  
pederin 
pentalenolactone 
pentalenolactone D 
pentalenolactone E 
pentalenolactone F 
pentan-3-amine 
peptide YY 
perillic acid +   
perillyl aldehyde  
peroxynitrite 
phaseolotoxin 
phenazine-1,6-dicarboxylic acid 
phenazine-1-carboxylic acid  
phenylacetaldehyde +   
phenylacetate +  
phenylacetic acid +   
phenylacetyl-CoA(4-) 
phenylacetylglycine +   
phenylacetylglycine(1-) 
phenylethanolamine +  
phenylethanolaminium 
phleomycin D1 +  
phosphate ion +  
phosphatidate(2-) +  
phosphatidyl-L-serine +  
phosphatidyl-myo-inositol 6-acylmannoside(1-) 
phosphatidyl-N,N-dimethylethanolamine +  
phosphatidyl-N-methylethanolamine +  
phosphatidylcholine (16:0/20:5) 
phosphatidylcholine 16:2 
phosphatidylcholine 29:1 +  
phosphatidylcholine 35:3 +  
phosphatidylcholine 35:4 +  
phosphatidylcholine 36:4 +   
phosphatidylcholine 42:7 
phosphatidylethanolamine 19:1 
phosphatidylethanolamine 36:2 +  
phosphatidylethanolamine 36:3 +  
phosphatidylethanolamine 38:3 +  
phosphatidylethanolamine 38:4 +  
phosphatidylglycerol(1-) +  
phosphatidylserine 18:0 
phosphatidylserine 40:1 
phosphatidylserine 40:2 
phosphatidylserine 42:1 
phosphinomethylisomalic acid 
phosphocholine +   
phosphoenolpyruvate  
phosphoramidon  
phosphoric acid +   
phylloquinone +   
phytanate +  
phytanoyl-CoA(4-) 
picolinic acid +   
piericidin A  
pikromycin 
pipecolate +  
piperidine +   
platencin +  
platencin A1 +  
platencin A1 methyl ester 
platencin A2 +  
platencin A2 methyl ester 
platencin A3 +  
platencin A3 methyl ester 
platensimycin +  
platensimycin A1 +  
platensimycin A1 methyl ester 
platensimycin A2 methyl ester 
platensimycin A3 methyl ester 
platensimycin A4 methyl ester 
platensimycin A5 methyl ester 
platensimycin B2 
platensimycin B3 
platensimycin B4 +  
platensimycin B4 methyl ester 
platensimycin methyl ester 
platensin A4 
PM-94128 
poly(glycerol phosphate) anion 
poly(glycerol phosphate) macromolecule +  
poly(N-acetyllactosamine)  
polyhydroxyalkanoate 
polyoxin +  
porphobilinogen(1-) 
potassium(1+) +   
pradimicin +  
pregnenolone +   
pregnenolone sulfate  
premithramycin A2' 
premithramycin A3' 
prenyl diphosphate(3-) 
presqualene diphosphate(3-) 
preuroporphyrinogen(8-) 
pristanal 
pristanic acid +  
pristanoyl-CoA +  
pristinamycin 
pristinamycin IA +  
Pro-Hyp 
Pro-Hyp zwitterion 
prodigiosin  
progesterone +   
proline +   
propionate +   
propionyl-CoA(4-) +  
propyl butyrate 
propyl linoleate 
propyl propionate 
prostaglandin A1(1-) +  
prostaglandin A2 +   
prostaglandin B1  
prostaglandin B2 
prostaglandin C1(1-) 
prostaglandin C2 
prostaglandin D1 
prostaglandin D1(1-) 
prostaglandin D2 +   
prostaglandin D2 1-glyceryl ester 
prostaglandin D2(1-) 
prostaglandin D3  
prostaglandin E1 +   
prostaglandin E1(1-) +  
prostaglandin E2 +   
prostaglandin E2 1-glyceryl ester 
prostaglandin E2 2-glyceryl ester 
prostaglandin E2(1-) +  
prostaglandin E3  
prostaglandin F1alpha +   
prostaglandin F2alpha +   
prostaglandin F2alpha 1-glyceryl ester 
prostaglandin F2alpha 2-glyceryl ester 
prostaglandin F2alpha(1-) 
prostaglandin F2beta 
prostaglandin G1 
prostaglandin G1(1-) +  
prostaglandin G2 +   
prostaglandin G2 2-glyceryl ester 
prostaglandin H2 2-glyceryl ester 
prostaglandin H2(1-) 
prostaglandin H3 
prostaglandin I2 2-glyceryl ester 
prostaglandin I2(1-) +  
prostaglandin J2 +   
protirelin 
protoasukamycin +  
protodeoxyviolaceinate 
protodeoxyviolaceinic acid 
protoporphyrinate 
protoporphyrinogen(2-) 
proviolacein +   
psychosine +  
psychosine sulfate 
psychosine(1+) 
pyocyanine  
pyoverdine 
pyridinestrone-3-carboxylic acid 
pyridoxal +   
pyridoxal 5'-phosphate +   
pyridoxal 5'-phosphate(2-) 
pyridoxal hydrochloride 
pyridoxamine +   
pyridoxamine 5'-phosphate 
pyridoxamine 5'-phosphate(1-) 
pyridoxamine dihydrochloride 
pyridoxamine hydrochloride 
pyridoxaminium(1+) +  
pyridoxine +   
pyridoxine 5'-phosphate(2-) 
pyroglutamylglutaminate 
pyroglutamylglutamine 
pyrrolnitrin 
quinaldate 
quinaldic acid 
quinolinate(1-) +  
quinolinate(2-) 
quinoline-4,6-diol 
quinoline-4,8-diol 
quinolinic acid  
rac-1-monolinoleoylglycerol 
ravidomycin 
retinal +   
retinoic acid +   
retinol +   
reumycin +  
rhabduscin 
rhamnose +   
rhodopin +  
ribitol +   
ribothymidine +  
rifamycin SV +   
rifamycin-undecaketide carboxylic acid +  
ristocetin 
rosaramicin 
roseoflavin 
S(6)-acetyldihydrolipoamide +  
S(8)-(2-methylbutanoyl)dihydrolipoamide 
S(8)-(2-methylpropanoyl)dihydrolipoamide 
S(8)-(3-methylbutanoyl)dihydrolipoamide 
S(8)-aminomethyldihydrolipoylprotein 
S(8)-glutaryldihydrolipoamide 
S(8)-succinyldihydrolipoamide 
S-(2-succinyl)-L-cysteine 
S-(hydroxymethyl)glutathione(1-) 
S-adenosyl-L-methioninate  
S-adenosyl-L-methionine +   
S-adenosylmethioninaminium 
S-formylglutathionate(1-) 
S-formylglutathione 
S-methyl-5-thio-alpha-D-ribose 1-phosphate(2-) 
S-methyl-5-thio-D-ribulose 1-phosphate(2-) 
S-sulfo-L-cysteine 
SAICAR(4-) 
salinosporamide +  
sapropterin +   
sarcosinate 
sarcosine +  
sarcosinium 
schizokinen 
scyllo-inositol +   
scytonemin 
Se-methylselenocysteine +   
sebacate(2-) 
sebacic acid +   
sedoheptulose 1,7-bisphosphate(4-) 
sedoheptulose 7-phosphate 
sedoheptulose 7-phosphate(2-) 
seldomycin 5 
selenate +  
selenide +   
selenocysteine +   
selenophosphate 
Ser-Lys 
serotonin +   
serotonin(1+) 
sibiromycin 
sirolimus +   
skatole  
sn-glycerol 3-phosphate 
sn-glycerol 3-phosphate(2-) 
sodium 3-hydroxybutyrate 
sodium ascorbate 
sodium dehydroepiandrosterone sulfate 
sodium glycochenodeoxycholate 
sodium glycodeoxycholate 
sodium glyoxylate 
sodium hexanoate 
sodium orotate 
sodium(1+) +   
sodorifen 
soraphen A 
spectinabilin 
spectinomycin 
spermidine(3+) 
spermine(4+) 
spheroiden-2-one 
sphinganine +   
sphinganine 1-phosphate(1-) 
sphinganine(1+) +  
sphingomyelin d18:1(1+) 
sphingosine +   
sphingosine 1-phosphate(1-) 
sphingosine(1+) 
spinosyn +  
spiramycin I 
spiramycin II 
spirilloxanthin +  
spiruchostatin B  
squalene +   
staphcoccomycin 
staphyloferrin A +  
staphyloferrin B 
stearoyl-CoA(4-) 
stigmatellin A  
Streptococcus pneumoniae metabolite +  
streptolydigin 
streptomycin +   
suberic acid +   
succinate(2-) +  
succinoglucan 
succinyl-CoA(5-) 
sucrose +   
sulfate +   
sulfoglycolithocholate(2-) 
superoxide  
syringolin A 
syringomycin +  
tabtoxinine-delta-lactam +  
tacrolimus (anhydrous) +   
tagatose 6-phosphate +  
taurine +   
tauro-beta-muricholate 
tauro-beta-muricholic acid  
taurochenodeoxycholate 
taurochenodeoxycholic acid  
taurocholate +  
taurocholic acid  
taurodeoxycholate 
taurodeoxycholic acid +   
taurolithocholate 
taurolithocholic acid +   
taurolithocholic acid sulfate  
taurolithocholic acid sulfate(2-) 
tauroursocholate 
tauroursocholic acid 
tauroursodeoxycholic acid  
TDP-actinospectose 
TDP-actinospectose(2-) 
TDP-beta-L-rhamnose 
TDP-beta-L-rhamnose(2-) 
teicoplanin A2-1 +   
teicoplanin A2-2 +   
teicoplanin A2-3 +   
teicoplanin A2-4 +   
teicoplanin A2-5 +   
teicoplanin A3-1 +   
testosterone +   
testosterone 17-glucosiduronic acid  
testosterone acetate 
tetracosanoate +  
tetracosanoic acid +   
tetracosanoyl-CoA 
tetradecan-2-ol 
tetradecanal 
tetradecanedioate(2-) 
tetradecanedioic acid +  
tetradecanoate +  
tetradecanoic acid +   
tetradecanoic-d27 acid 
tetragastrin 
tetramethylpyrazine  
tetrangulol +  
tetratetracontane 
tetrodotoxin  
thiamine(1+) +   
thiamine(1+) diphosphate(1-) 
thiamine(1+) monophosphate +  
thiamine(1+) monophosphate(2-) 
thiamine(1+) triphosphate(4-) 
thiazomycin 
thiocyanate +   
thiomarinol A 
thiomarinol B 
thiomarinol C 
thiomarinol D 
thiomarinol E 
thiomarinol F 
thioredoxin disulfide 
thioredoxin dithiol 
thiosulfate(2-) +  
thromboxane A2(1-) +  
thromboxane B2 +   
thromboxane B3 
thymidine +   
thymine +   
TMC-1A 
TMC-1B 
TMC-1C 
TMC-1D 
TMC-86A 
TMC-86B 
TMC-89A 
TMC-89B 
TMC-95A 
TMC-96 
tolbutamide  
tolybyssidin A 
tolybyssidin B 
toxoflavin 
toyocamycin 
trans-1,2-dithiane-4,5-diol +  
trans-2-decenoic acid +  
trans-2-octadecenoyl-CoA 
trans-3-methylglutaconyl-CoA(5-) 
trans-4-hydroxy-L-proline +  
trans-benzylideneacetone 
trans-caffeate +  
trans-dec-2-enoyl-CoA(4-) 
trans-dodec-2-enoyl-CoA(4-) 
trans-hex-2-enoyl-CoA 
trans-oct-2-enoyl-CoA 
trans-tetradec-2-enoyl-CoA(4-) 
trans-urocanate 
trans-urocanic acid  
trans-vaccenate(1-) 
trehalose 6,6'-dimycolate 
trehalulose 
triacsin C  
triacylglycerol 50:6 +  
triacylglycerol 60:14 +  
triacylglycerol 62:15 +  
trichloro(docosyl)silane 
trichostatin A +   
tricosanoic acid +  
triethylene glycol monomethyl ether 
trimethylenediamine +   
trimethylenediaminium 
triphosphate(5-) +  
tryptamine +   
tryptaminium 
tubercidin +   
tylosin  
tyramine +   
tyraminium 
tyrocidine A +  
tyrocidine B +  
tyrocidine C +  
ubiquinone-0 
ubiquinone-9  
UDP(3-) 
UDP-alpha-D-glucuronate(3-) 
UDP-alpha-D-glucuronic acid +   
UDP-alpha-D-xylose(2-) 
UDP-D-galactose +   
UDP-D-galactose(2-) +  
UDP-D-glucose(2-) 
UDP-N-acetyl-alpha-D-galactosamine  
UDP-N-acetyl-alpha-D-glucosamine(2-) 
UDP-N-acetyl-D-galactosamine(2-) +  
UDP-N-acetylgalactosamine-5,6-ene 
UDP-N-acetylgalactosamine-5,6-ene(2-) 
UDP-N-acetyltunicamine-uracil 
UDP-N-acetyltunicamine-uracil(2-) 
UK 63052 
UK 63598 
UK 65662 
UK-2A 
UK-2B 
UK-3A 
undecanoate 
undecanoic acid +   
uracil +   
uracil octosyl acid 5'-phosphate 
urate anion +  
urea +   
uric acid +   
uridine +   
uridine 5'-monophosphate +  
uridine 5'-monophosphate(2-) +  
uridine-5'-aldehyde 
urobilinogen 
urocanate +  
urocanic acid +   
uroporphyrin I 
uroporphyrin III 
uroporphyrinogen I 
uroporphyrinogen III(8-) 
ursodeoxycholate 
ursodeoxycholic acid +   
UTP(4-) 
valanimycin 
validamycin A(1+) 
validamycins +  
validone +  
validoxylamine A 
validoxylamine A 7'-phosphate 
valinomycin  
vancomycin +   
vanillylmandelate 
vanillylmandelic acid  
venturicidin 
vinyl benzoate 
violacein  
violaceinate 
violaceinic acid 
virginiamycin 
virginiamycin S1 +  
VM 44857 
water +   
xanthosine 
xylitol +   
xylobiose 
YTM-T 
zeaxanthin +  
zinc(2+) +   
zorbamycin 
zymosterol +   
zymosterol intermediate 2 

Synonyms
Related Synonyms: 2-Methylbutanoic acid ;   2-methybutyric acid ;   Formula=C5H10O2 ;   InChI=1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7) ;   InChIKey=WLAMNBDJUVNPJU-UHFFFAOYSA-N ;   SMILES=CCC(C)C(O)=O ;   alpha-methyl butyric acid ;   alpha-methylbutyric acid ;   butane-2-carboxylic acid ;   ethylmethylacetic acid ;   methylethylacetic acid
Xrefs: Beilstein:1098537 "Beilstein" ;   CAS:116-53-0 "ChemIDplus" ;   CAS:116-53-0 "KEGG COMPOUND" ;   CAS:116-53-0 "NIST Chemistry WebBook" ;   DrugBank:DB03741 ;   HMDB:HMDB0002176 ;   KEGG:C18319 ;   LIPID_MAPS_instance:LMFA01020072 "LIPID MAPS" ;   PMID:15615815 "Europe PMC" ;   PMID:16751541 "Europe PMC" ;   PMID:18828792 "Europe PMC" ;   PMID:22202876 "Europe PMC" ;   PMID:3372640 "Europe PMC" ;   Reaxys:1098537 "Reaxys"
Cyclic Relationships: is_conjugate_acid_of CHEBI:48946

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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.