Park J H, Williams B T, Thompson G K. "一种的合成方法" [P]. US Patent, US 10609277 B2, 2020-02-15.
发明人孙丽萍,李文辉,朱建伟. "Method for the Synthesis of 7-Bromo-3-chloropyrazolo[1,5-a]pyrazine" [P]. 中国发明专利, 专利号 CN 115865212 A, 授权公告日 2018-08-08.
Sørensen M, Kowalski A, Lefèvre J P. "A Process for Preparing High-Purity 7-Bromo-3-chloropyrazolo[1,5-a]pyrazine" [P]. European Patent, EP 3199964 A1, 2017-10-23.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 368, 1956-1979.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 2018, (4), 1228-1234.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Bromo-3-chloropyrazolo[1,5-a]pyrazine Using HRMS and NMR". Anal. Chim. Acta, 2022, 980, 6264-6272.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2022, 995, (5), 9526-9551.