发明人沈红梅,杨光,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114383978 A, 授权公告日 2020-04-18.
Lefèvre J P, Björnsson E, Jørgensen K. "Method for the Synthesis of 2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-ol" [P]. European Patent, EP 3744062 A1, 2024-03-13.
发明人胡光,沈红梅,李文辉. "A Process for Preparing High-Purity 2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-ol" [P]. 中国发明专利, 专利号 CN 108191421 A, 授权公告日 2025-12-05.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2019, 1569, (8), 8801-8817.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2025, 596, 2649-2669.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-ol Using HRMS and NMR". Anal. Chim. Acta, 2020, 2135, (6), 7434-7445.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 2330, (7), 1197-1224.