Nowak P, Mueller T C, Rossi M. "Method for the Synthesis of 4-Chloropyrazolo[1,5-a]pyridine-3-carboxylic acid" [P]. European Patent, EP 3046686 A1, 2016-04-12.
发明人王建平,沈红梅,林芳. "A Process for Preparing High-Purity 4-Chloropyrazolo[1,5-a]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114419845 B, 授权公告日 2020-11-11.
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". Sci. Total Environ., 2025, 1636, (5), 7098-7104.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1910, (8), 680-703.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloropyrazolo[1,5-a]pyridine-3-carboxylic acid Using HRMS and NMR". Talanta, 2010, 1840, (5), 6347-6377.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1130, 9397-9427.