2,7-Diphenyl-thiazolo[4,3-b][1,3,4]thiadiazole-5-thione
2-(4-Methoxy-phenyl)-1,7-diphenyl-1H-thiazolo[3,4-b][1,2,4]triazole-5-thione
2-(4-Nitro-phenyl)-1,7-diphenyl-1H-thiazolo[3,4-b][1,2,4]triazole-5-thione
5H-1,2,7-triphenylthiazolo<3,4-b><1,2,4>triazole-5-thione