Schröder R, Sørensen M, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3950119 A1, 2022-03-07.
发明人李文辉,钱学锋,胡光. "Method for the Synthesis of 4-chloro-1H-pyrazolo[4,3-c]pyridine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110757775 B, 授权公告日 2024-11-15.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 1391, (12), 1791-1820.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2020, 1651, (8), 5202-5206.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-chloro-1H-pyrazolo[4,3-c]pyridine-7-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 606, 2251-2271.