Ethyl 2-amino-4-methylthiazole-5-carboxylate
Ethyl 2-amino-4-(trifluoromethyl)thiazole-5-carboxylate
Ethyl 2-aminothiazole-5-carboxylate
Ethyl 2-amino-4-(hydroxymethyl)thiazole-5-carboxylate
Ethyl 2-amino-4-(2-ethoxy-2-oxoethyl)thiazole-5-carboxylate
Ethyl 2-amino-4-ethylthiazole-5-carboxylate
