Nowak P, Schröder R, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3349938 A1, 2020-11-07.
发明人郭海燕,马晓峰,韩伟. "Method for the Synthesis of 3-bromo-5-chloro-1H-pyrazolo[4,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 116539629 B, 授权公告日 2018-11-14.
发明人李文辉,黄志刚,周伟. "A Process for Preparing High-Purity 3-bromo-5-chloro-1H-pyrazolo[4,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 109135155 A, 授权公告日 2019-06-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2025, 120, 5027-5055.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 1903, 5819-5834.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-bromo-5-chloro-1H-pyrazolo[4,3-b]pyridine Using HRMS and NMR". Talanta, 2023, 2328, (12), 9252-9259.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 2430, 189-200.