4,4'-[(3,3,4,4,5,5-Hexafluoro-1-cyclopentene-1,2-diyl)bis(5-methy l-4,2-thienediyl)]dibenzaldehyde

1,3-bis((4-(2-(5-ethynyl-2-methylthiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopent-1-en-1-yl)-5-methylthiophen-2-yl)ethynyl)benzene

1,3-bis((4-(3,3,4,4,5,5-hexafluoro-2-(2-methyl-5-((trimethylsilyl)ethynyl)thiophen-3-yl)cyclopent-1-en-1-yl)-5-methylthiophen-2-yl)ethynyl)benzene

1-(5'-carboxy-2',4'-methylthien-3'-yl)-2-(5'-formyl-2',4'-methylthien-3'-yl)perfluorocyclopentene