7,8,15,16,23,24-六氧杂三螺(5.2.5.2.5.2)二十四烷

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