9-oxothioxanthene-2,7-dicarbonitrile

9-thioxanthen-9-ylidenethioxanthene

9-(9H-thioxanthen-9-yl)-9H-thioxanthene

9,9-dimethylthioxanthene

Dispiro[9H-thioxanthene-9,2'-oxirane-3',9''-[9H]thioxanthene]