67-56-1
甲醇
+
84547-84-2
4-溴-2-甲基-2H-吡唑-3-羧酸
→
~66%
514816-42-3
4-溴-1-甲基-1H-吡唑-5-羧酸甲酯
23097-85-0
methyl 2-methyl-4-phenylpyrazole-3-carboxylate