Rossi M, Jørgensen K, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3549570 A1, 2021-01-25.
发明人朱建伟,黄志刚,陈志强. "Method for the Synthesis of Ethyl 7-oxo-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-b]pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115335947 B, 授权公告日 2017-11-24.
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 in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 1543, 7651-7676.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1132, (6), 7012-7029.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 7-oxo-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-b]pyridine-3-carboxylate Using HRMS and NMR". Chromatographia, 2010, 881, (10), 2808-2822.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 1734, (3), 4606-4609.