2-(4,5-dicyano-1,3-dithiol-2-ylidene)-1,3-dithiole-4,5-dicarbonitrile

2-[2-(1,3-dithiol-2-ylidene)-1,3-dithiol-4-yl]-1H-imidazole

2-(1,3-dithiol-2-ylidene)-1,3-dithiole-4-carboxylic acid