发明人沈红梅,郭海燕,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115519770 A, 授权公告日 2020-12-10.
发明人王建平,胡光,马晓峰. "Method for the Synthesis of pyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108154714 B, 授权公告日 2024-10-19.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 332, (8), 1482-1496.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 938, 8554-8559.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of pyrazolo[1,5-a]pyrimidine-5-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 898, (7), 6769-6780.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 385, (10), 7217-7242.