isopropyl 4-(2-bromoacetyl)-5-methylthiophene-2-carboxylate 、
1-(3,4,5-三甲氧基苯基)-2-硫脲 以to give 68 mg (48% yield) of isopropyl 5-methyl-4-{2-[(3,4,5-trimethoxyphenyl)amino](1,3-thiazol-4-yl)}thiophene-2-carboxylate hydrobromide的产率得到isopropyl 5-methyl-4-{2-[(3,4,5-trimethoxyphenyl)amino](1,3-thiazol-4-yl)}thiophene-2-carboxylate hydrobromide