4-(4-chlorophenyl)-1-[4-(4-nitrophenyl)-4-oxobutyl]-4-piperidinol

4-(4-氯苯基)-4-羟基哌啶

4-氯-4'-氟苯丁酮

4-(4-氯苯基)-1-[3-[2-(4-氟苯基)-1,3-二氧戊环-2-基]丙基]哌啶-4-醇

还原氟哌啶醇