18103-42-9 4H-1-Benzopyran-4-one, 5,7-dihydroxy-2-(3,4,5-trimethoxyphenyl)- 5,7-Dihydroxy-3',4',5'-trimethoxy flavone 5,7-Dihydroxy-3',4',5'-trimethoxyflavone Flavone, 5,7-dihydroxy-3',4',5'-trimethoxy- NSC123410