1-chloro-4-[2-(4-chlorophenyl)ethynyl]benzene

4,5-Bis(4-chlorphenyl)-3H-1,2-dithiol-3-on

(Z)-5,6-bis(4-chlorophenyl)-2-(3-thioxobutan-2-ylidene)-4H-1,3-dithiin-4-one

5,6-Bis(4-chlorphenyl)-2,3-diphenylthieno[3,2-b]furan

(E)-5,6-bis(4-chlorophenyl)-2-(1,2-diphenyl-2-thioxoethylidene)-4H-1,3-dithiin-4-one