发明人罗永刚,赵玉洁,钱学锋. "Method for the Synthesis of Methyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115771489 B, 授权公告日 2022-09-26.
发明人陈志强,唐晓军,韩伟. "A Process for Preparing High-Purity Methyl 3-ethyl-1-methyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113957461 A, 授权公告日 2021-05-03.
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