2-Chloro-1-(4-fluorophenyl)ethan-1-one2-Chloro-4'-fluoroacetophenone4-Fluorophenacyl chloride 99%2-chloro-1-(4-fluorophenyl)ethanonep-FLUORO-α-CHLOROACETOPHENONE2-Chloro-4′-fluoroacetophenoneω-Chloro-4-fluoroacetophenone4-Fluorophenacyl chlorideω-氯-4-氟苯乙酮2-氯-4′-氟苯乙酮2-氯-4'-氟乙酰苯2-氯-4'-氟苯乙酮alpha-Chloro-4-fluoroacetophenone2-Chloro-4'-fluoroacetophenone