3,4-二甲氧基苯乙炔

3-(3,4-dimethoxyphenyl)prop-2-enoic acid

4-(3,4-dimethoxyphenyl)-6,7-dimethoxybenzo[f][2]benzofuran-1,3-dione

苯乙炔

4-(3,4-dimethoxyphenyl)-7-hydroxychromen-2-one