发明人林芳,朱建伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114633316 A, 授权公告日 2023-03-17.
发明人黄志刚,高志强,胡光. "Method for the Synthesis of Methyl 4-methoxy-3-methyl-5-oxo-2,5-dihydro-1H-pyrazole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111145581 A, 授权公告日 2019-01-26.
发明人刘建华,李文辉,周伟. "A Process for Preparing High-Purity Methyl 4-methoxy-3-methyl-5-oxo-2,5-dihydro-1H-pyrazole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115050053 A, 授权公告日 2022-07-19.
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