2196-14-7 4',7-Dihydroxyflavone 4H-1-Benzopyran-4-one, 7-hydroxy-2-(4-hydroxyphenyl)- 5-18-04-00083 (Beilstein Handbook Reference) 7,4'-Dihydroxyflavanone BRN 0224356 FLAVONE, 4',7-DIHYDROXY-