1-N-Boc-4-丙胺哌啶

N-Boc-4-哌啶乙醇

1-Boc-4-苄氨基哌啶

N,N-Diethyl-4-[benzyl(piperidin-4-yl)amino]benzamide

1-t-叔丁氧羰基-哌啶-4-螺-5’-[1’,3’-二-t-叔丁氧羰基]海因