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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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    subatomic particle 20048
      composite particle 20048
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            nucleon 20048
              atomic nucleus 20048
                atom 20048
                  main group element atom 19948
                    p-block element atom 19948
                      carbon group element atom 19872
                        carbon atom 19863
                          organic molecular entity 19863
                            organic group 18937
                              organic divalent group 18922
                                organodiyl group 18922
                                  carbonyl group 18872
                                    carbonyl compound 18872
                                      ketone 17097
                                        aromatic ketone 12374
                                          dihydrochalcones 716
                                            dihydrochalcone 279
                                              davidigenin 0
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