5-hydroxy-4',8-dimethoxy-3,7-bis(tosyloxy)flavone

3-hydroxy-4',8-dimethoxy-5,7-bis(tosyloxy)flavone

3,5,8-trimethoxy-2-(4-methoxy-phenyl)-7-(toluene-4-sulfonyloxy)-chromen-4-one

7-hydroxy-3,4',5,8-tetramethoxyflavone

5,7-二羟基-3,4',8-三甲氧基黄酮