Rossi M, Nowak P, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3450060 A1, 2024-02-26.
发明人冯建国,王建平,陈志强. "Method for the Synthesis of 2-(3,4-Dimethyl-6-oxo-1-(p-tolyl)-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117365950 B, 授权公告日 2025-01-11.
发明人胡光,唐晓军,林芳. "A Process for Preparing High-Purity 2-(3,4-Dimethyl-6-oxo-1-(p-tolyl)-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116941123 A, 授权公告日 2024-02-24.
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