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发明人胡光,郑宇鹏,徐明华. "Method for the Synthesis of 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113656462 B, 授权公告日 2018-11-22.
发明人朱建伟,郑宇鹏,马晓峰. "A Process for Preparing High-Purity 3-(Ethoxycarbonyl)-1-(4-ethoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116185561 A, 授权公告日 2017-07-28.
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