英文别名Haloperidol Impurity 20; 4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]-1-(4-fluorophenyl)-4-oxobutan-1-one; 4-(4-chloro-phenyl)-1-[4-(4-fluoro-phenyl)-4-oxo-butyryl]-piperidin-4-ol; 1-[β-(p-fluorobenzoyl)propionyl]-4-(p-chlorophenyl)-4-hydroxypiperidine 
