发明人沈红梅,胡光,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112702550 A, 授权公告日 2020-10-21.
Hughes D C, Mueller T, O'Brien P Q. "Method for the Synthesis of 6-(4-(1H-Pyrazolo[3,4-b]pyridin-3-yl)piperidin-1-yl)-2-chloropyrimidine-4-carboxylic acid" [P]. US Patent, US 11146860 B2, 2021-08-20.
发明人唐晓军,张德明,陈志强. "A Process for Preparing High-Purity 6-(4-(1H-Pyrazolo[3,4-b]pyridin-3-yl)piperidin-1-yl)-2-chloropyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108387187 B, 授权公告日 2019-01-04.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1596, 7658-7678.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 1228, (5), 2336-2351.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-(4-(1H-Pyrazolo[3,4-b]pyridin-3-yl)piperidin-1-yl)-2-chloropyrimidine-4-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 702, (5), 3438-3462.