1-苄氧羰基-4-乙胺基哌啶

哌嗪二盐酸盐

benzyl 4-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]piperazine-1-carboxylate

4-(吡咯烷-3-基)哌嗪-1-羧酸苄酯

benzyl 4-methylpiperazine-1-carboxylate