O'Brien P Q, Fischer A B, Williams B T. "一种的合成方法" [P]. US Patent, US 11319551 B2, 2018-04-15.
发明人何建平,韩伟,周伟. "Method for the Synthesis of 5-bromo-8-chloro-[1,2,4]triazolo[4,3-a]pyrazine" [P]. 中国发明专利, 专利号 CN 110039596 B, 授权公告日 2016-03-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2010, 2010, 4518-4545.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 385, 5488-5508.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-bromo-8-chloro-[1,2,4]triazolo[4,3-a]pyrazine Using HRMS and NMR". Anal. Chim. Acta, 2018, 2042, (7), 7382-7386.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1848, (7), 392-421.