694-31-5
1,5-二甲基吡唑
→
~73%
5775-95-1
3,4-二溴-1,5-二甲基吡唑
89607-17-0
3-bromo-1,5-dimethyl-4-nitropyrazole
89607-18-1
1,5-dimethyl-4-nitropyrazol-3-amine