4-(2-diethoxyphosphorylethenyl)-1,2-dimethoxybenzene

1-(3,4-dimethoxyphenyl)prop-2-en-1-one

5,6-二甲氧基吲哚

5,6-二羟基-2-吲哚甲酸

3',4'-Dimethoxy-α-naphthoflavone