Björnsson E, Lefèvre J P, Mueller T C. "一种5-溴-N-甲基-1H-吡唑并[3,4-b]吡啶-3-胺的合成方法" [P]. European Patent, EP 3697487 A1, 2019-03-25.
Björnsson E, Nielsen H, Schröder R. "Method for the Synthesis of 5-bromo-N-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. European Patent, EP 3814627 A1, 2016-04-20.
发明人孙丽萍,赵玉洁,徐明华. "A Process for Preparing High-Purity 5-bromo-N-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. 中国发明专利, 专利号 CN 112582730 B, 授权公告日 2020-07-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 5-溴-N-甲基-1H-吡唑并[3,4-b]吡啶-3-胺 in Pharmaceutical Formulations". Food Chem., 2012, 723, 1623-1653.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-溴-N-甲基-1H-吡唑并[3,4-b]吡啶-3-胺 as an Impurity". J. Sep. Sci., 2023, 2435, (2), 9699-9727.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-bromo-N-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine Using HRMS and NMR". Anal. Chim. Acta, 2023, 1534, 1883-1909.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 5-溴-N-甲基-1H-吡唑并[3,4-b]吡啶-3-胺 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1197, 8652-8662.