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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:18215 term browser browse the term
Definition:A dimethoxyflavone that is myricetin in which the hydroxy groups at positions 3' and 5' have been replaced by methoxy groups.
Synonyms:exact_synonym: 3,5,7-trihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-4H-chromen-4-one
 related_synonym: 3',5'-O-Dimethylmyricetin;   3,5,7,4'-Tetrahydroxy-3',5'-dimethoxyflavone;   Formula=C17H14O8;   InChI=1S/C17H14O8/c1-23-11-3-7(4-12(24-2)14(11)20)17-16(22)15(21)13-9(19)5-8(18)6-10(13)25-17/h3-6,18-20,22H,1-2H3;   InChIKey=UZMAPBJVXOGOFT-UHFFFAOYSA-N;   SMILES=COc1cc(cc(OC)c1O)-c1oc2cc(O)cc(O)c2c(=O)c1O
 alt_id: CHEBI:15144;   CHEBI:9378
 xref: CAS:4423-37-4;   KEGG:C11620;   KNApSAcK:C00004767;   LIPID_MAPS_instance:LMPK12112498;   MetaCyc:SYRINGETIN;   PMID:19784998;   PMID:21745360;   PMID:22980782;   Reaxys:344330;   Wikipedia:Syringetin
 cyclic_relationship: is_conjugate_acid_of CHEBI:58412

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  CHEBI ontology 19853
    role 19804
      chemical role 19320
        antioxidant 14239
          myricetin 110
            syringetin 0
Path 2
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  CHEBI ontology 19853
    subatomic particle 19851
      composite particle 19851
        hadron 19851
          baryon 19851
            nucleon 19851
              atomic nucleus 19851
                atom 19851
                  main group element atom 19744
                    p-block element atom 19744
                      carbon group element atom 19650
                        carbon atom 19639
                          organic molecular entity 19639
                            organic molecule 19568
                              organic cyclic compound 19378
                                organic heterocyclic compound 18495
                                  oxacycle 17279
                                    benzopyran 10142
                                      1-benzopyran 9858
                                        flavonoid 6375
                                          flavones 4170
                                            hydroxyflavone 4158
                                              3'-hydroxyflavonoid 242
                                                3'-methoxyflavones 2
                                                  3',5'-dimethoxyflavone 1
                                                    syringetin 0
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