1244-78-6 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 3-Hydroxy-3',4', 5,7-tetramethoxyflavone 4H-1-Benzopyran-4-one, 2-(3, 4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy- AIDS-126235 AIDS126235 Flavone, 3-hydroxy-3',4',5,7-tetramethoxy- NSC102049 Quercetin tetramethyl(3',4',5,7) ether