发明人林芳,徐明华,朱建伟. "Method for the Synthesis of 1-[(2,4-dimethoxyphenyl)methyl]-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112275326 A, 授权公告日 2025-12-13.
发明人郭海燕,冯建国,周伟. "A Process for Preparing High-Purity 1-[(2,4-dimethoxyphenyl)methyl]-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114407454 B, 授权公告日 2018-05-09.
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