2-Aminothiazole96-50-4100 % similar 2-Thiazolamine hydrochloride6142-05-885 % similar 1,3,4-Thiadiazol-2-amine4005-51-035 % similar 2-Amino-5-bromothiazole3034-22-832 % similar 2-Amino-5-methylthiazole7305-71-732 % similar 1,3,4-Thiadiazole-2,5-diamine2937-81-732 % similar 2-Aminoimidazole7720-39-032 % similar