发明人冯建国,赵玉洁,刘建华. "Method for the Synthesis of tert-Butyl 5-amino-1H-pyrazolo[4,3-b]pyridine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111408339 A, 授权公告日 2023-04-22.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 1426, 2867-2879.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 339, (12), 7630-7650.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 5-amino-1H-pyrazolo[4,3-b]pyridine-1-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 2054, 7552-7572.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 1044, 89-104.