methyl 4-(3,4-dimethoxyphenyl)-4-oxobutanoate

2-(3,4-dimethoxyphenyl)ethyl acetate

1-(5-氨基-2-甲氧基苯基)-4-甲基哌嗪

4-(4-hydroxy-3-methoxyphenyl)butanoic acid

3-氯-1-(3,4-二甲氧基苯基)丙烷-1-酮