发明人徐明华,沈红梅,钱学锋. "Method for the Synthesis of 5-Formyl-2-methyl-4-(trifluoromethyl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113275108 A, 授权公告日 2020-07-02.
发明人冯建国,李文辉,黄志刚. "A Process for Preparing High-Purity 5-Formyl-2-methyl-4-(trifluoromethyl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113199196 A, 授权公告日 2016-10-15.
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