发明人陈志强,冯建国,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115140090 A, 授权公告日 2022-05-24.
发明人周伟,王建平,刘建华. "Method for the Synthesis of 2-Methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115665633 B, 授权公告日 2022-10-04.
发明人何建平,张德明,钱学锋. "A Process for Preparing High-Purity 2-Methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110692298 A, 授权公告日 2023-07-12.
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