三甲基苯基氢氧化铵

硫酸二甲酯

1-(2,4-dimethoxy-benzyl)-4-(hydroxymethyl)-2-azetidinone

diethyl 2-[(2,4-dimethoxyphenyl)methylamino]propanedioate

1-(2,4-dimethoxy-benzyl)-4-(iodomethyl)-2-azetidinone