发明人周伟,朱建伟,孙丽萍. "Method for the Synthesis of 7-Phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115738748 A, 授权公告日 2022-06-17.
发明人何建平,高志强,陈志强. "A Process for Preparing High-Purity 7-Phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114228896 B, 授权公告日 2023-01-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 1404, 2354-2380.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 1217, 3782-3795.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 7-Phenyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid Using HRMS and NMR". Food Chem., 2015, 1951, 6093-6097.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 2300, (2), 3040-3056.