Submit Data |  Help |  Video Tutorials |  News |  Publications |  FTP Download |  REST API |  Citing RGD |  Contact   


The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

go back to main search page
Accession:CHEBI:91203 term browser browse the term
Definition:A guaiacyl lignin obtained by formal cyclocodensation between guaiacylglycerol and esculetin. It is found in Arabidopsis thaliana.
Synonyms:related_synonym: Formula=C19H16O7;   G(8-O-4)Esculetin;   InChI=1S/C19H16O7/c1-23-14-7-11(2-4-12(14)21)19-17(9-20)24-16-8-13-10(6-15(16)26-19)3-5-18(22)25-13/h2-8,17,19-21H,9H2,1H3;   InChIKey=YMXPBFBMXWPRNM-UHFFFAOYSA-N;   SMILES=C=1C=2C=C3C(=CC2OC(C1)=O)OC(C(O3)C4=CC(=C(C=C4)O)OC)CO
 xref: PMID:25457500;   Reaxys:28063974

show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19787
    role 19734
      chemical role 19250
        antioxidant 14211
          esculetin 53
            2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-7H-pyrano[2,3-g][1,4]benzodioxin-7-one 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19787
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19672
                    p-block element atom 19672
                      carbon group element atom 19574
                        carbon atom 19563
                          organic molecular entity 19563
                            organic molecule 19488
                              organic cyclic compound 19285
                                organic heterocyclic compound 18410
                                  oxacycle 17185
                                    benzopyran 10135
                                      1-benzopyran 9851
                                        chromenes 931
                                          chromenone 851
                                            coumarins 573
                                              hydroxycoumarin 300
                                                esculetin 53
                                                  2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-7H-pyrano[2,3-g][1,4]benzodioxin-7-one 0
paths to the root


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