Jørgensen K, Sørensen M, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3854120 A1, 2025-02-19.
发明人韩伟,周伟,徐明华. "Method for the Synthesis of 5-Bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 113163305 B, 授权公告日 2017-04-28.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 1667, 8225-8245.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 1497, (9), 7111-7135.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Molecules, 2011, 2301, 6456-6464.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 358, 6719-6727.