1-[(1,1-二甲基乙氧基)羰基]-3-吡咯烷羧酸乙酯

diethyl 2-diethoxyphosphorylhexanedioate

2-(1-甲基哌啶-4-基)乙酸乙酯

ethyl 3-(1-methylimidazol-4-yl)prop-2-enoate

1-chloro-1-diethoxyphosphorylethene