发明人李文辉,冯建国,马晓峰. "Method for the Synthesis of methyl 1,6-dimethylpyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110852271 A, 授权公告日 2016-12-07.
发明人王建平,唐晓军,郑宇鹏. "A Process for Preparing High-Purity methyl 1,6-dimethylpyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112171714 A, 授权公告日 2020-06-27.
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