Kowalski A, Jørgensen K, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3345125 A1, 2025-05-10.
Björnsson E, Nowak P, Lefèvre J P. "Method for the Synthesis of 7-[4-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. European Patent, EP 3850941 A1, 2017-01-18.
发明人沈红梅,李文辉,冯建国. "A Process for Preparing High-Purity 7-[4-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115362181 A, 授权公告日 2019-10-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2025, 2056, (1), 9658-9665.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 650, 5001-5029.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-[4-(trifluoromethyl)phenyl]pyrazolo[1,5-a]pyrimidine-3-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2011, 1063, (12), 802-814.