2-Propen-1-one, 1-(4-bromophenyl)-3-(4-chlorophenyl)- (9CI) 4'-Bromo-2-(p-chlorobenzylidene)acetophenone 6332-22-5 ACETOPHENONE, 4'-BROMO-2-(p-CHLOROBENZYLIDENE)- AI3-16121 BRN 2271113 NSC 32214