1-(3,4-dimethoxyphenyl)imidazole

3,4-二甲氧基苯硼酸频哪醇酯

3,4,5,7-四甲氧基黄酮

1,2-二甲氧基-4-硝基苯

ethyl 4-(3,4-dimethoxyphenyl)-1H-pyrrole-2-carboxylate