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Term:
Parent Terms Term With Siblings Child Terms
fungicide +   
phosphonic acids +     
phosphorus oxoacid +     
(-)-Tau-muurolol 
(1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate 
(1S,2S)-1,2-dihydroxypropylphosphonic acid 
(2-aminoethyl)phosphonic acid +  
(2-chloroethyl)phosphonic acid  
(2S)-2-amino-4-phosphonobutanoic acid 
(3-aminopropyl)phosphonic acid 
(acetamidomethyl)phosphonic acid 
(aminomethyl)phosphonic acid +   
(R)-(1-aminoethyl)phosphonic acid 
(R)-2-(phosphonomethyl)malic acid 
(R)-fluoxapiprolin +  
(S)-(1-aminoethyl)phosphonic acid +  
(S)-famoxadone +  
(S)-fluoxapiprolin +  
1,1-bis(phosphonic acid) +   
1,2,3-benzothiadiazole-7-carboxylic acid 
1-amino-1-phenylmethyl phosphonic acid 
1-aminocyclopropylphosphonic acid 
1-hydroxy-2-aminoethylphosphonic acid 
2,4,6-tribromophenol +   
2-amino-3-phosphonopropanoic acid 
2-dimethylaminoethylphosphonic acid 
2-hydroxyethylphosphonic acid 
2-hydroxypropylphosphonic acid +  
2-methylaminoethylphosphonic acid 
3-(4-methyl-1,2,3-thiadiazolyl)-6-trichloromethyl[1,2,4]triazolo[3,4-b][1,3,4]thiadizole 
4,5-dichloro-2-n-octyl-3(2H)-isothiazolone  
4,6-dinitro-o-cresol 
4-[(2-aminophenyl)thio]butylphosphonic acid 
5-[(4-nitrobenzyl)(phosphonomethyl)amino]valeric acid 
[(1R,2S)-2-hydroxy-1-thiopropyl]phosphonic acid 
[(S)-1-acetamidoethyl]phosphonic acid 
acylamino acid fungicide +  
adefovir +   
adenosine 5'-hexadecylphosphate 
allyl alcohol +   
alpha-cadinol 
amide fungicide +   
anilide fungicide +   
antibiotic fungicide +   
antifungal agrochemical +   
aromatic fungicide +   
aryl phenyl ketone fungicide +  
bafilomycin A1  
benzamide fungicide +   
benzanilide fungicide +   
benzimidazole fungicide +   
benzimidazole precursor fungicide +   
benzimidazolylcarbamate fungicide +   
benzothiazole fungicide +  
blasticidin S +  
bridged diphenyl fungicide +   
butylphosphonic acid +  
carbamate fungicide +   
carbanilate fungicide +   
CGP 78608 
cidofovir anhydrous +   
conazole fungicide +   
cyclotriphosphoric acid 
dehydroacetic acid  
dicarboximide fungicide +   
dihydroxidodioxidophosphorus(.) 
diphosphonic acid 
diphosphoric acid +   
disulfanediylbis(phosphonic acid) 
disulfiram  
ethyl 2-hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate +  
fluindapyr 
fosfomycin  
fosmidomycin 
furamide fungicide +  
furanilide fungicide +  
gamma-hexachlorocyclohexane  
glyphosine 
hydroxymethylphosphonic acid +  
hydroxyphosphanone 
hypodiphosphoric acid 
imidazole fungicide +   
imidodiphosphoric acid +  
ipflufenoquin 
methyl phosphonate 
methylene bis(thiocyanate) 
methylphosphonic acid +  
morpholine fungicide +   
N-(phosphonomethyl)iminodiacetic acid 
paraformaldehyde macromolecule +  
peroxydiphosphoric acid 
peroxyphosphoric acid 
phenylsulfamide fungicide +   
phosphinic acid +  
phosphinous acid 
phosphonic acid +   
A phosphorus oxoacid that consists of a single pentavalent phosphorus covalently bound via single bonds to a single hydrogen and two hydroxy groups and via a double bond to an oxygen. The parent of the class of phosphonic acids.
phosphonoacetaldehyde 
phosphonoacetic acid +   
phosphonoformic acid +   
phosphonothioic O,O-acid +  
phosphonous acid 
phosphoric acids +   
phosphorothioic acid +  
phosphorous acid +  
phosphorus oxoacid derivative +   
polyphosphoric acid 
profungicide +   
pyrimidine fungicide +   
pyrimorph 
quinone outside inhibitor +   
sulfonamide fungicide +   
sulfonanilide fungicide +  
tenofovir (anhydrous) +   
triazole fungicide +   
triclosan  
triphosphoric acid +  
valinamide fungicide +  

Synonyms
Exact Synonyms: dihydrogen hydridotrioxophosphate(2-) ;   hydridodihydroxidooxidophosphorus ;   hydridotrioxophosphoric(2-) acid
Related Synonyms: (HO)2HPO ;   Formula=H3O3P ;   H2PHO3 ;   H3PO3 ;   HPO(OH)2 ;   InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3) ;   InChIKey=ABLZXFCXXLZCGV-UHFFFAOYSA-N ;   Phosphite ;   Phosphonate ;   Phosphonsaeure ;   SMILES=OP(O)=O ;   [PHO(OH)2]
Alternate IDs: CHEBI:26067
Xrefs: CAS:13598-36-2 "ChemIDplus" ;   CAS:13598-36-2 "KEGG COMPOUND" ;   CAS:13598-36-2 "NIST Chemistry WebBook" ;   Gmelin:1619 "Gmelin" ;   KEGG:C06701 ;   PDBeChem:PHS ;   Reaxys:1209272 "Reaxys" ;   Wikipedia:Phosphonic_acid
Cyclic Relationships: is_conjugate_acid_of CHEBI:33462 ;   is_tautomer_of CHEBI:36361

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