2-(4,5-Bis-hexylsulfanyl-[1,3]dithiol-2-ylidene)-4,6,11,13-tetrahydro-5,12-dioxa-1,3-dithia-benzo[a]cyclopenta[f]cyclodecene-8,9-dicarbonitrile

2-(5,6,8,9,11,12,14,15,17,18,20,21-Dodecahydro-7,10,13,16,19-pentaoxa-1,3,4,22-tetrathia-cyclopentacyclohenicosen-2-ylidene)-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester

2-(5,6-Bis-diethoxymethyl-[1,3]dithiolo[4,5-b][1,4]dithiin-2-ylidene)-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester

[2-(5,6-Dihydro-[1,4]diselenino[2,3-d][1,3]dithiol-2-ylidene)-5-hydroxymethyl-[1,3]dithiol-4-yl]-methanol

2-(4,5-bis(hydroxymethyl)-[1,3]dithiol-2-ylidene)benzo[1.3]dithiole-4,7-di-tert-butyldiphenylsilyl ether