发明人李文辉,林芳,朱建伟. "Method for the Synthesis of 2,3-dichloropyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 114368187 A, 授权公告日 2018-06-16.
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". Rapid Commun. Mass Spectrom., 2021, 586, (2), 2676-2682.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 351, 4293-4318.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-dichloropyrido[2,3-b]pyrazine Using HRMS and NMR". Biomed. Chromatogr., 2014, 1904, 6192-6199.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2012, 1043, (1), 848-853.