68809-64-3
1,4-二甲基-1H-吡唑-5-羧酸乙酯
→
~91%
13745-58-9
2,4-dimethylpyrazole-3-carboxylic acid
82231-51-4
4-甲基吡唑-3-甲酸
+
77-78-1
硫酸二甲酯
6076-12-6
4-甲基吡唑-3-甲酸乙酯
160886-90-8
2,4-dimethylpyrazole-3-carbonyl chloride
89202-85-7
2,4-dimethyl-N-phenylpyrazole-3-carboxamide