1,3,4,5-四氢-吡啶并[4,3-b]吲哚-2,8-二羧酸 2-叔丁酯

1-(4-nitrophenyl)piperidin-4-one

Fmoc-4-哌啶酮

N-BOC-4-氨基-4-羧酸哌啶

1-N-甲磺酰基-4-哌啶酮