发明人胡光,杨光,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112901761 A, 授权公告日 2025-12-27.
发明人高志强,唐晓军,韩伟. "Method for the Synthesis of 4-chloro-3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115594611 A, 授权公告日 2018-11-15.
Williams B T, Klinger H, O'Brien P Q. "A Process for Preparing High-Purity 4-chloro-3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. US Patent, US 9843703 B2, 2022-12-05.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 514, (8), 2910-2921.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2024, 1753, (8), 2322-2348.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid Using HRMS and NMR". Food Chem., 2016, 2113, 5037-5064.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 213, (6), 8106-8135.