3-methyl-5-aminothiazole
2-(2-aminopropen-2-ylidene)-3H-4-methylthiazoline hydrobromide
2-(2-aminopropen-1-yl)-4-methyl-5-ethoxycarbonyl-thiazole
2-(2-aminopropenylidene)-5-carboxymethylenethiazolin-4-one
2-(2-aminopropenylidene)-5-carbomethoxymethylenethiazolin-4-one