Sørensen M, Björnsson E, Lefèvre J P. "Method for the Synthesis of methyl 6-cyclopropyl-1-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. European Patent, EP 3084626 A1, 2017-10-10.
发明人徐明华,王建平,陈志强. "A Process for Preparing High-Purity methyl 6-cyclopropyl-1-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115940862 A, 授权公告日 2025-09-06.
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