发明人黄志刚,高志强,韩伟. "Method for the Synthesis of 1-(3,4-Dimethylphenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108102487 A, 授权公告日 2020-11-19.
发明人陈志强,何建平,高志强. "A Process for Preparing High-Purity 1-(3,4-Dimethylphenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116089818 B, 授权公告日 2019-02-09.
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