4-chloro-1-(3,5-dibromothiophen-2-yl)butan-1-one

4-chloro-1-(2,4,5-tribromothiophen-3-yl)butan-1-one

2-acetyl-3,4,5-tribromothiophene

3,5-二溴-2-噻吩羧醛

2,3-二溴噻吩