4',7-Dimethoxy-3,3',5-trihydroxyflavone 4H-1-Benzopyran-4-one, 3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy- 5-18-05-00498 (Beilstein Handbook Reference) 529-40-8 7,4'-Di-O-methylquercetin BRN 0338215 FLAVONE, 4',7-DIMETHOXY-3,3',5-TRIHYDROXY- Ombuin