3,3',4',5',7-Pentahydroxyflavone 3,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-4-benzopyrone 490-31-3 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)- 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)- (9CI) 5-18-05-00562 (Beilstein Handbook Reference) BRN 0308905 CCRIS 7520 EINECS 207-709-6 FLAVONE, 3,3',4',5',7-PENTAHYDROXY- NSC 407331 NSC 656274 Norkanugin Robinetin