4-哌啶甲酸

N,N-二乙基哌啶-4-甲酰胺

4-(4-TERT-BUTOXYCARBONYLAMINO-PIPERIDINE-1-CARBONYL)-PIPERIDINE-1-CARBOXYLIC ACID BENZYL ESTER

benzyl spiro[indole-3,4'-piperidine]-1'-carboxylate

4-(叔丁氧基羰基氨基)哌啶-1-羧酸苄酯