发明人王建平,徐明华,马晓峰. "Method for the Synthesis of 2-chloro-5-methyl-4-{1-methyl-1H-pyrazolo[3,4-b]pyridin-6-yl}pyrimidine" [P]. 中国发明专利, 专利号 CN 114149719 A, 授权公告日 2025-08-18.
Park J H, Davis P L, Chen K W. "A Process for Preparing High-Purity 2-chloro-5-methyl-4-{1-methyl-1H-pyrazolo[3,4-b]pyridin-6-yl}pyrimidine" [P]. US Patent, US 9104043 B2, 2016-06-24.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 1870, 1857-1874.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1647, 5202-5212.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-chloro-5-methyl-4-{1-methyl-1H-pyrazolo[3,4-b]pyridin-6-yl}pyrimidine Using HRMS and NMR". J. Nat. Prod., 2012, 1770, 924-940.