5-(5-thiophen-2-ylthiophen-2-yl)thiophene-2-carbonitrile

2,5-二(2-噻吩)-1H-吡咯

2,2':5',2'-四噻吩-5-甲醛

三联噻吩

2,2':5',2''-三噻吩-5,5''-二甲醛