3,3',4',5,6,7-Hexahydroxyflavone 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,6,7-tetrahydroxy- 90-18-6 Flavone, 3,3',4',5,6,7-hexahydroxy- NSC115916 Quercetagetin