4-[(3-羟基-1-哌啶基)甲基]-1-哌啶羧酸 1,1-二甲基乙酯

tert-butyl 4-[[3-(hydroxymethyl)piperidin-1-yl]methyl]piperidine-1-carboxylate

4-(1-羟基乙基)哌啶-1-羧酸叔丁酯

tert-butyl 4-[(2-sulfanylidenepiperidin-1-yl)methyl]piperidine-1-carboxylate

N-叔丁氧羰基-(2-乙氧羰基-乙烯基)-哌啶)