Johansson L, Kowalski A, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3642335 A1, 2015-02-17.
发明人李文辉,何建平,朱建伟. "Method for the Synthesis of (R)-tert-Butyl 2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 114240265 B, 授权公告日 2022-11-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2015, 1947, 8560-8580.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 996, (5), 7296-7305.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-tert-Butyl 2-((7-chloropyrido[4,3-b]pyrazin-5-ylamino)methyl)morpholine-4-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 927, 6233-6256.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 130, (8), 8296-8308.