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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:27655 term browser browse the term
Definition:A member of the class of dihydrochalcones that is dihydrochalcone substituted by hydroxy groups at positions 4, 2', and 4' respectively.
Synonyms:exact_synonym: 1-(2,4-dihydroxyphenyl)-3-(4-hydroxyphenyl)propan-1-one
 related_synonym: 4,2',4'-Trihydroxydihydrochalcone;   Formula=C15H14O4;   InChI=1S/C15H14O4/c16-11-4-1-10(2-5-11)3-8-14(18)13-7-6-12(17)9-15(13)19/h1-2,4-7,9,16-17,19H,3,8H2;   InChIKey=UDGKKUWYNITJRX-UHFFFAOYSA-N;   SMILES=Oc1ccc(CCC(=O)c2ccc(O)cc2O)cc1
 alt_id: CHEBI:23562;   CHEBI:4332
 xref: CAS:23130-26-9;   KEGG:C09618;   KNApSAcK:C00007926;   LIPID_MAPS_instance:LMPK12120452;   PMID:10705748;   PMID:11105563;   PMID:20580662;   PMID:21798321;   Patent:CN101022818;   Reaxys:1982275

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  CHEBI ontology 19751
    role 19724
      chemical role 19366
        antioxidant 15681
          davidigenin 0
Path 2
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  CHEBI ontology 19751
    subatomic particle 19749
      composite particle 19749
        hadron 19749
          baryon 19749
            nucleon 19749
              atomic nucleus 19749
                atom 19749
                  main group element atom 19698
                    p-block element atom 19698
                      carbon group element atom 19644
                        carbon atom 19640
                          organic molecular entity 19640
                            organic group 18846
                              organic divalent group 18832
                                organodiyl group 18832
                                  carbonyl group 18799
                                    carbonyl compound 18799
                                      ketone 17108
                                        aromatic ketone 12390
                                          dihydrochalcones 727
                                            dihydrochalcone 297
                                              davidigenin 0
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