发明人林芳,王建平,钱学锋. "Method for the Synthesis of 4-Methyl-3-[2-(pyridin-4-yl)acetamido]benzoic acid" [P]. 中国发明专利, 专利号 CN 113641636 B, 授权公告日 2022-03-26.
发明人杨光,刘建华,冯建国. "A Process for Preparing High-Purity 4-Methyl-3-[2-(pyridin-4-yl)acetamido]benzoic acid" [P]. 中国发明专利, 专利号 CN 112127044 A, 授权公告日 2021-06-02.
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