1,2-bis(5''-bromo-5-methyl-[2,2':5',2''-terthiophen]-4-yl)cyclopent-1-ene

1-[2-methyl-5-(5-methylthien-2-yl)thien-3-yl]-2-[2-methyl-5-(thien-2-yl)thien-3-yl]cyclopentene

4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))dibenzaldehyde

1,2-bis(5'-(4''-phenyl-3'''-ethynylthiophene)-2'-methylthien-3'-yl)cyclopentene [Co2(CO)6]2