4,5-Bis-(2-chloroethylthio)-4',5'-ethylenedithiotetrathiafulvalene

4,5-bis(p-acetoxybenzylthio)-1,3-dithiole-2-[(4,5-ethylenedithio)-1,3-dithiole-2-ylidene]

2-methoxycarbonylmethylthio-3-methoxycarbonyl-6,7-ethylenedithiotetrathiafulvalene

2,6(7)-di(methoxycarbonylmethylthio)-2,7(6)-di(methoxycarbonyl)tetrathiafulvalene