Hughes D C, Kumar R, Johnson M A. "Method for the Synthesis of 3-Bromo-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine" [P]. US Patent, US 10874656 B2, 2021-05-17.
Kumar R, Patel M V, Chen K W. "A Process for Preparing High-Purity 3-Bromo-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine" [P]. US Patent, US 9948180 B2, 2023-04-04.
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". Biomed. Chromatogr., 2018, 2267, 1308-1321.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 1802, (4), 7521-7530.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-2-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidine Using HRMS and NMR". Anal. Chim. Acta, 2016, 523, (6), 2310-2318.