发明人张德明,徐明华,冯建国. "Method for the Synthesis of 3-Bromo-6-chloropyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 114064074 A, 授权公告日 2018-10-15.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 939, (7), 154-171.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 2323, (10), 7750-7772.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-6-chloropyrido[2,3-b]pyrazine Using HRMS and NMR". J. Agric. Food Chem., 2019, 2248, 6090-6114.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2020, 747, (7), 9819-9849.