(2E)-4-(4-溴苯基)-4-氧代丁2-烯酸

2,4'-二溴苯乙酮

β-(4-bromobenzoyl)acrylic acid

4-(4-bromo-phenyl)-4-oxo-butyric acid amide

5-(4-bromophenyl)-5-oxopentanoic acid methyl ester