2-Bromo-1-(3-bromophenyl)ethan-1-one2,3'-Dibromoacetophenone3-Bromophenacyl bromide 97%2-bromo-1-(3-bromophenyl)-1-ethanoneα,3′-Dibromoacetophenone2,3′-Dibromoacetophenone2,3′-二溴苯乙酮3-溴苯酰甲基溴3-Bromophenacyl bromideα,3′-二溴苯乙酮2-bromo-3'-bromoacetophenone2,3'-二溴苯乙酮alpha,3-Dibromoacetophenone2,3'-Dibromoacetophenone