2-(3,4-Dihydroxyphenyl)-3,5,6,7-tetrahydroxy-4-benzopyrone 3,3',4',5,6,7-Hexahydroxyflavone 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,6,7-tetrahydroxy- (9CI) 90-18-6 EINECS 201-973-6 Flavone, 3,3',4',5,6,7-hexahydroxy- (8CI) NSC 115916 Quercetagetin