发明人何建平,沈红梅,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117358829 A, 授权公告日 2023-10-02.
发明人张德明,孙丽萍,王建平. "Method for the Synthesis of 4-(3-Aminophenyl)-1-methyl-1h-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117458779 B, 授权公告日 2023-03-09.
发明人郭海燕,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 4-(3-Aminophenyl)-1-methyl-1h-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115528989 B, 授权公告日 2020-05-19.
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