1-(噻吩-2-基羰基)哌啶-4-酮

4-(乙酰氨基)-1-苄基-4-苯基哌啶

1-[(2-chlorophenyl)methyl]piperidin-4-one

1-丁基-4-哌啶酮

2-苯基-3-(4-哌啶基)-1H-吲哚