Anderson J P, Johnson M A, Mueller T. "Method for the Synthesis of 8-Bromo-5-chloropyrido[3,4-b]pyrazine" [P]. US Patent, US 10907488 B2, 2018-01-10.
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". J. Agric. Food Chem., 2012, 1944, (8), 287-312.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2010, 2467, 1809-1819.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 8-Bromo-5-chloropyrido[3,4-b]pyrazine Using HRMS and NMR". Anal. Chim. Acta, 2016, 550, (7), 7605-7613.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 1880, 4347-4363.