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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:80489 term browser browse the term
Definition:A member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 4, 2', 4', and 6' and a 3-methylbut-2-en-1-yl group at position 3'.
Synonyms:exact_synonym: (2E)-3-(4-hydroxyphenyl)-1-[2,4,6-trihydroxy-3-(3-methylbut-2-en-1-yl)phenyl]prop-2-en-1-one
 related_synonym: Formula=C20H20O5;   InChI=1S/C20H20O5/c1-12(2)3-9-15-17(23)11-18(24)19(20(15)25)16(22)10-6-13-4-7-14(21)8-5-13/h3-8,10-11,21,23-25H,9H2,1-2H3/b10-6+;   InChIKey=FUSADYLVRMROPL-UXBLZVDNSA-N;   SMILES=CC(C)=CCc1c(O)cc(O)c(C(=O)\\C=C\\c2ccc(O)cc2)c1O
 xref: CAS:115063-39-3;   HMDB:HMDB0030610;   KEGG:C16416;   KNApSAcK:C00035575;   PMID:21912858;   PMID:23947133;   Reaxys:6233194
 cyclic_relationship: is_conjugate_acid_of CHEBI:134302

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Term Annotations click to browse term
  CHEBI ontology 19875
    role 19825
      biological role 19825
        biochemical role 19360
          metabolite 19341
            eukaryotic metabolite 18998
              plant metabolite 17475
                desmethylxanthohumol 0
Path 2
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  CHEBI ontology 19875
    subatomic particle 19873
      composite particle 19873
        hadron 19873
          baryon 19873
            nucleon 19873
              atomic nucleus 19873
                atom 19873
                  main group element atom 19763
                    p-block element atom 19763
                      carbon group element atom 19668
                        carbon atom 19657
                          organic molecular entity 19657
                            organic group 18569
                              organic divalent group 18560
                                organodiyl group 18560
                                  carbonyl group 18468
                                    carbonyl compound 18468
                                      ketone 16216
                                        alpha,beta-unsaturated ketone 8543
                                          enone 8543
                                            chalcones 149
                                              chalcone 103
                                                trans-chalcone 103
                                                  desmethylxanthohumol 0
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