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发明人罗永刚,何建平,郭海燕. "Method for the Synthesis of 1,3-Dimethyl-4-(((tetrahydrofuran-2-yl)methyl)amino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115068491 B, 授权公告日 2021-10-11.
发明人韩伟,孙丽萍,朱建伟. "A Process for Preparing High-Purity 1,3-Dimethyl-4-(((tetrahydrofuran-2-yl)methyl)amino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114813250 B, 授权公告日 2024-05-28.
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