4-苯甲酰基哌啶盐酸盐

4-(4-氯苯甲酰基)哌啶

4-(4’-氟苄基)哌啶

1-[4-(2,4-二氟苯甲酰基)-哌啶-1-基]-乙酮

1-[4-(2,4-二氟苯甲酰基)-1-哌啶基]-1-乙酮