发明人杨光,郑宇鹏,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115879614 A, 授权公告日 2017-03-02.
发明人何建平,张德明,钱学锋. "Method for the Synthesis of 3-(1-(2,4-Dimethylphenyl)-3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 108723606 A, 授权公告日 2019-07-13.
发明人钱学锋,刘建华,韩伟. "A Process for Preparing High-Purity 3-(1-(2,4-Dimethylphenyl)-3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113765440 B, 授权公告日 2023-05-21.
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