发明人李文辉,沈红梅,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111730993 A, 授权公告日 2025-04-11.
发明人王建平,杨光,林芳. "Method for the Synthesis of 2-Methyl-5-(p-tolyl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111567372 B, 授权公告日 2021-08-28.
发明人何建平,陈志强,钱学锋. "A Process for Preparing High-Purity 2-Methyl-5-(p-tolyl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116457679 B, 授权公告日 2017-09-19.
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