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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:28018 term browser browse the term
Definition:A monomethoxyflavone that is the 8-O-methyl derivative of gossypetin .
Synonyms:exact_synonym: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one
 related_synonym: 8-methoxyquercetin;   Formula=C16H12O8;   InChI=1S/C16H12O8/c1-23-15-10(20)5-9(19)11-12(21)13(22)14(24-16(11)15)6-2-3-7(17)8(18)4-6/h2-5,17-20,22H,1H3;   InChIKey=ZASFHSAGASJGRN-UHFFFAOYSA-N;   SMILES=COc1c(O)cc(O)c2c1oc(-c1ccc(O)c(O)c1)c(O)c2=O;   corniculatusin
 alt_id: CHEBI:11683;   CHEBI:1363;   CHEBI:19861
 xref: KEGG:C04527;   KNApSAcK:C00004724;   MetaCyc:33457-PENTAHYDROXY-8-METHOXYFLAVON
 cyclic_relationship: is_conjugate_acid_of CHEBI:58544

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Term Annotations click to browse term
  CHEBI ontology 19783
    role 19728
      biological role 19728
        biochemical role 19314
          metabolite 19295
            eukaryotic metabolite 18967
              plant metabolite 17449
                gossypetin 12
                  3,3',4',5,7-pentahydroxy-8-methoxyflavone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19783
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    p-block element atom 19670
                      carbon group element atom 19588
                        carbon atom 19578
                          organic molecular entity 19578
                            organic molecule 19510
                              organic cyclic compound 19336
                                organic heterocyclic compound 18517
                                  oxacycle 17543
                                    benzopyran 10269
                                      1-benzopyran 9991
                                        flavonoid 6510
                                          flavones 4197
                                            hydroxyflavone 4185
                                              flavonols 4097
                                                7-hydroxyflavonol 4076
                                                  gossypetin 12
                                                    3,3',4',5,7-pentahydroxy-8-methoxyflavone 0
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