ethyl 4-(2-aminoanilino)piperidine-1-carboxylate

4-N-Boc-4-N-苄基-哌啶

4-[(4-氯-2-硝基苯基)氨基]哌啶-1-羧酸乙酯

4-(5-氯-2,3-二氢-2-氧代-1H-苯并咪唑-1-基)哌啶-1-羧酸乙酯

4-(2,3-二氢-2-氧代-1H-苯并咪唑-1-基)哌啶-1-羧酸乙酯