88770-22-3
5-硝基噻吩-3-羧酸甲酯
+
108-24-7
乙酸酐
→
~68%
89499-32-1
methyl 5-acetamidothiophene-3-carboxylate
89499-37-6
5-aminothiophene-3-carboxylic acid,hydrochloride