发明人郭海燕,朱建伟,林芳. "Method for the Synthesis of 6-cyclopropyl-1-(pyridin-3-ylmethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114580952 B, 授权公告日 2020-12-23.
Kowalski A, Sørensen M, Nielsen H. "A Process for Preparing High-Purity 6-cyclopropyl-1-(pyridin-3-ylmethyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. European Patent, EP 3838362 A1, 2025-05-16.
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