发明人冯建国,郑宇鹏,黄志刚. "Method for the Synthesis of 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111520805 A, 授权公告日 2016-06-23.
发明人张德明,郭海燕,罗永刚. "A Process for Preparing High-Purity 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110874126 B, 授权公告日 2021-11-19.
参考文献 Literature
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Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2024, 2306, (6), 1651-1668.
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