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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.

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Accession:CHEBI:6698 term browser browse the term
Definition:A lignan that is gamma-butyrolactone in which the 3 and 4 positions are substituted by 4-hydroxy-3-methoxybenzyl groups (the 3R,4R-diastereomer).
Synonyms:exact_synonym: (3R,4R)-3,4-bis(4-hydroxy-3-methoxybenzyl)dihydrofuran-2(3H)-one
 related_synonym: 3R,4R-Bis((4-hydroxy-3-methoxyphenyl)methyl)dihydro-2(3H)-furanone;   Artigenin congener;   Formula=C20H22O6;   InChI=1S/C20H22O6/c1-24-18-9-12(3-5-16(18)21)7-14-11-26-20(23)15(14)8-13-4-6-17(22)19(10-13)25-2/h3-6,9-10,14-15,21-22H,7-8,11H2,1-2H3/t14-,15+/m0/s1;   InChIKey=MATGKVZWFZHCLI-LSDHHAIUSA-N;   SMILES=COc1cc(C[C@H]2COC(=O)[C@@H]2Cc2ccc(O)c(OC)c2)ccc1O
 alt_id: CHEBI:43819;   CHEBI:65005
 xref: CAS:580-72-3;   DrugBank:DB04200;   KEGG:C10682;   KNApSAcK:C00000606;   MetaCyc:CPD-8912;   PDBeChem:MAX;   PMID:15653677;   PMID:19935713;   PMID:20734328;   PMID:21315909;   PMID:21522091;   PMID:21597179;   PMID:21736835;   PMID:22037685;   PMID:22113872;   PMID:22396124;   PMID:22483751;   PMID:22646817;   Reaxys:93883;   Wikipedia:Matairesinol

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19792
    role 19738
      application 19385
        anti-asthmatic agent 9179
          (-)-matairesinol 0
            matairesinoside 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19792
    subatomic particle 19788
      composite particle 19788
        hadron 19788
          baryon 19788
            nucleon 19788
              atomic nucleus 19788
                atom 19788
                  main group element atom 19675
                    p-block element atom 19675
                      carbon group element atom 19571
                        carbon atom 19560
                          organic molecular entity 19560
                            organic group 18508
                              organic divalent group 18501
                                organodiyl group 18501
                                  carbonyl group 18404
                                    carbonyl compound 18404
                                      carboxylic ester 14089
                                        lactone 5987
                                          gamma-lactone 1220
                                            (-)-matairesinol 0
                                              matairesinoside 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.