发明人韩伟,李文辉,胡光. "Method for the Synthesis of 6-chloro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112880292 A, 授权公告日 2015-07-17.
发明人朱建伟,徐明华,高志强. "A Process for Preparing High-Purity 6-chloro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111108225 A, 授权公告日 2016-07-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 1020, 1365-1368.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 2106, (3), 9786-9812.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-chloro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2023, 1684, 4741-4761.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2015, 866, 2711-2740.