5-吡啶-2-基噻吩-2-乙酸

6-thiophen-2-yl-1,3,5-triazine-2,4-diamine

2,6-dithiophen-2-ylpyridine

4-硝基噻吩-2-甲酸

2-(5-溴-2-噻酚)吡啶