3,4-二甲氧基苯乙酸

2-(3,4-dimethoxyphenyl)-2-(dimethylamino)acetonitrile

3,4-二甲氧基苄氯

2-(N,N-diethylamino)-2-(3,4-dimethoxyphenyl)acetonitrile

1,2-二(3,4-二甲氧基苯基)乙烷-1,2-二酮