发明人徐明华,黄志刚,陈志强. "Method for the Synthesis of Methyl 1-(4-ethoxy-4-oxobutyl)-1h-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115380730 A, 授权公告日 2024-08-16.
发明人李文辉,赵玉洁,郭海燕. "A Process for Preparing High-Purity Methyl 1-(4-ethoxy-4-oxobutyl)-1h-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117170178 A, 授权公告日 2021-01-28.
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