3-<<<2-<(diaminomethylene)amino>-4-thiazolyl>methyl>thio>-N'-cyanopropionamidine
3-<2-(diaminomethyleneamino)-4-thiazolylmethylthio>-propionamide
methyl 3-<<<2-<(diaminomethylene)amino>-4-thiazolyl>methyl>thio>propionimidate
N''-[4-[[(2-cyanoethyl)thio]methyl]-2-thiazolyl]-guanidine