N-乙氧羰基-4-哌啶酮

N-Boc-六氢-1H-氮杂卓-4-酮

3-(4’-哌啶基)-1H-吲哚

N-丙基-4-哌啶酮

1-叔丁氧羰基哌啶-4-亚基乙酸