发明人周伟,陈志强,赵玉洁. "Method for the Synthesis of tert-Butyl 5-hydroxy-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112167050 A, 授权公告日 2019-08-11.
发明人杨光,唐晓军,郑宇鹏. "A Process for Preparing High-Purity tert-Butyl 5-hydroxy-3-methyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113173580 A, 授权公告日 2015-02-09.
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