38239-32-6
5-溴-4-硝基噻吩-2-羧酸甲酯
+
108-24-7
乙酸酐
→
~69%
89499-31-0
methyl 4-acetamido-5-bromothiophene-2-carboxylate
62224-19-5
5-溴噻吩-2-羧酸甲酯