4-[2-(2-methoxy-4-methyl-5-phenylthiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopenten-1-yl]-3,5-dimethylthiophene

4-[2-[2,4-dimethyl-5-(pyridin-4-yl)thiophen-3-yl]-3,3,4,4,5,5-hexafluorocyclopent-1-enyl]-3,5-dimethyl-2-(trimethylsilyl)thiophene

1-(5-bromo-2,4-dimethyl-3-thienyl)-2-(2,4-dimethyl-5-trimethylsilyl-3-thienyl)perfluorocyclopentene

2-(2-(3,5-dimethyl-2-thienyl)hexafluorocyclopent-1-en-1-yl)-4-(2-(5-bromo-2,4-dimethyl-3-thienyl)hexafluorocyclopent-1-en-1-yl)-3,5-dimethylthiophene

2-(2-(3,5-dimethyl-2-thienyl)hexafluorocyclopent-1-en-1-yl)-4-(2-(2,4-dimethyl-5-trimethylsilyl-3-thienyl)hexafluorocyclopent-1-en-1-yl)-3,5-dimethylthiophene