发明人罗永刚,李文辉,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111604909 A, 授权公告日 2023-05-24.
发明人朱建伟,黄志刚,孙丽萍. "Method for the Synthesis of 3-Fluoropyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110116296 B, 授权公告日 2021-08-22.
发明人徐明华,郑宇鹏,冯建国. "A Process for Preparing High-Purity 3-Fluoropyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116605192 A, 授权公告日 2019-10-21.
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". Rapid Commun. Mass Spectrom., 2010, 1791, 5438-5464.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 2052, 1678-1695.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-Fluoropyrazolo[1,5-a]pyrimidine-6-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2023, 643, (9), 3127-3146.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 688, (8), 7693-7720.