4-[乙酰基(甲基)氨基]-4-苯基哌啶-1-氨基甲酸叔丁酯

(-)-5-(3-羟基苯基)-2-甲基吗吩烷

N,N-dimethyl-4-oxopiperidine-1-carboxamide

1-(4-氟-苯甲酰基)-哌啶-4-酮

1-[3-(4-fluorophenyl)-3-oxopropyl]piperidin-4-one