发明人李文辉,何建平,朱建伟. "Method for the Synthesis of 3-(5-Carboxy-2,4-dimethoxyphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109341258 B, 授权公告日 2018-10-14.
发明人郑宇鹏,赵玉洁,罗永刚. "A Process for Preparing High-Purity 3-(5-Carboxy-2,4-dimethoxyphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116664159 A, 授权公告日 2015-08-01.
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