4-[2-(三氟甲基)苯基]哌啶

4-N-甲基苄基-n-乙氧甲酰哌啶双盐酸盐

1-(苯基甲基)-4-丙基氨基哌啶-4-甲腈

8-benzyl-3-oxa-8-azaspiro[4.5]decane-2,4-dione

1-(1-苄基哌啶-4-基)吡咯烷-2-酮