5-氯-1-(4-氟苯基)-3-(1,2,3,6-四氢吡啶-4-基)-1H-吲哚

N-苯丙基-4-哌啶酮

N-乙酰基-4-哌啶酮

1-(cyclohexanecarbonyl)piperidin-4-one

1-(叔丁氧基羰基甲基)-4-哌啶酮