1-Phenyl-S-tert.-butylisothiocarbamide

1,5-Diphenyl-4-S-tert.-butyliso-2-thiobiuret

N-phenyl-3-phenylimino-3H-1,2,4-dithiazol-5-amine hydroiodide

thiourea

N-phenyl-5-phenylimino-1,2,4-dithiazol-3-amine