103626-04-6
ethyl 3-methoxy-1-methylpyrazole-4-carboxylate
→
~90%
103626-03-5
2,3-二氢-1-甲基-3-氧代-1H-吡唑-4-羧酸乙酯
478968-48-8
ethyl 3-methoxy-1H-pyrazole-4-carboxylate
111493-88-0
ethyl 1-methyl-3-phenylmethoxypyrazole-4-carboxylate