flavones 2-aryl-1-benzopyran-4-one 2-aryl-1-benzopyran-4-ones 2-arylchromen-4-one 2-arylchromen-4-ones A member of the class of flavonoid with a 2-aryl-1-benzopyran-4-one (2-arylchromen-4-one) skeleton and its substituted derivatives. CHEBI:24043 MetaCyc:Flavones Wikipedia:Flavone [*]c1c([*])c([*])c(c([*])c1[*])-c1oc2c([*])c([*])c([*])c([*])c2c(=O)c1[*] a flavone chebi_ontology flavonoid