4-bromobenzoyl azide

2,4'-二溴苯乙酮

3,5-di(p-bromorobenzoyl)-1,2,4-thiadiazole

3-(4-bromobenzoylformamido)-4-(4-bromophenyl)-1,2,5-thiadiazole

1-乙酰基-4-溴苯