1-Propanone, 3-chloro-1-phenyl- 2-Chloroethyl phenyl ketone 3-Chloropropiophenone 936-59-4 EINECS 213-317-6 NSC 227202 NSC 37238 Propiophenone, 3-chloro- beta-Chloroethyl phenyl ketone beta-Chloropropiophenone omega-Chloropropiophenone