4'-hydroxy-5,6,7,8-tetramethoxy flavone

乙酸酐

4'-benzyloxy-5,6,7,8-tetramethoxyflavone

1-(2-hydroxy-3,4,5,6-tetramethoxyphenyl)ethanone

1-(2-hydroxy-3,4,5,6-tetramethoxyphenyl)-3-(4-phenylmethoxyphenyl)prop-2-en-1-one