2-methylpyrimido[1,2-a]benzimidazole-4(1H)-thione
2-methyl-N-(4-methylphenyl)pyrimido[1,2-a]benzimidazol-4-amine
2-ethoxy-3-oxo-2-phenylamino-N-p-tolyl-thiobutyramide
5-methyl-3-(2-oxo-propylidene)-4-p-tolyl-3,4-dihydro-[1,2,4]dithiazepin-7-one
1,1'-(4-p-tolyl-[1,2,4]dithiazolidine-3,5-diylidene)-bis-propan-2-one