4-Chloro-1-(4-fluorophenyl)-1-butanone; 4-chloro-4'-fluorobutyrophenone; 1-Chloro-4-(4-fluorophenyl)-4-oxobutane; 3-(4-Fluorobenzoyl)propyl Chloride;3-(4-Fluorophenylcarbonyl)-1-chloropropane; 3-Chloropropyl 4-Fluorophenyl Ketone; 4-(4-Fluorophenyl)-4-oxobutyl Chloride; 4-(p-Fluorophenyl)-4-oxobutyl Chloride;