1-Boc-4-(4-甲氧基-4-氧基-2-丁稀)哌啶

3-氧代-4-(1-boc-4-哌啶)丁酸乙酯

N-Boc-4-哌啶乙醇

1-BOC-4-(4-溴丁基)-哌啶

4-(2-氧代乙基)哌啶-1-羧酸叔丁酯