67-56-1
甲醇
+
875208-79-0
6-acetamido-5-bromopyridine-2-carboxylic acid
→
1221629-04-4
6-amino-5-bromopyridine-2-carboxylic acid
178876-82-9
5-溴-6-氨基吡啶-2-羧酸甲酯