Björnsson E, Nielsen H, Lefèvre J P. "一种4-(isopropoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid的合成方法" [P]. European Patent, EP 3196223 A1, 2017-07-23.
发明人张德明,唐晓军,李文辉. "Method for the Synthesis of 4-(isopropoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110726328 B, 授权公告日 2016-03-15.
发明人胡光,黄志刚,王建平. "A Process for Preparing High-Purity 4-(isopropoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117568626 B, 授权公告日 2017-07-27.
参考文献 Literature
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Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(isopropoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid as an Impurity". J. Nat. Prod., 2023, 613, 4305-4313.