7-bromo-2-phenylchromen-4-one

6-溴-2,2-二甲基-2H-苯并吡喃

4-溴-2-甲氧基苯乙酮

2-(4-bromo-2-methoxyphenyl)-4,4-dimethyl-5H-1,3-oxazole

2-(2-acetyl-5-bromophenoxy)acetic acid