4-phenyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine

2-thiophen-2-yl-5-thiophen-3-ylthiophene

3-thiophen-3-yl-3,4-dihydroisochromen-1-one

2-acetamido-3-thiophen-3-ylprop-2-enoic acid

2-benzamido-3-thiophen-3-ylprop-2-enoic acid