89717-64-6
4-溴-3-硝基吡唑
+
77-78-1
硫酸二甲酯
→
~60%
89607-12-5
4-bromo-1-methyl-3-nitropyrazole
89607-11-4
4-bromo-1-methyl-5-nitropyrazole
84547-89-7
4-bromo-2-methyl-5-nitropyrazole-3-carboxylic acid
~58%