4-(1H-苯并[d]咪唑-2-基)哌啶-1-羧酸叔丁酯

4-(3-氧代丁酰基)哌啶-1-羧酸叔丁酯

N-环庚基-4-哌啶甲酰胺

tert-butyl 4-(3-methoxy-3-oxopropanoyl)piperidine-1-carboxylate

N,N-二甲基哌啶-4-甲酰胺盐酸盐