发明人黄志刚,马晓峰,林芳. "Method for the Synthesis of Methyl 1-(2-cyanoethyl)-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111427714 B, 授权公告日 2025-11-12.
Nowak P, Björnsson E, Johansson L. "A Process for Preparing High-Purity Methyl 1-(2-cyanoethyl)-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. European Patent, EP 3543654 A1, 2024-11-12.
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