Nowak P, Schröder R, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3333188 A1, 2025-06-18.
发明人张德明,刘建华,胡光. "Method for the Synthesis of tert-Butyl (4aS,8aS)-hexahydro-2H-pyrido[4,3-b][1,4]oxazine-6(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 110194942 A, 授权公告日 2024-06-12.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2016, 1364, (5), 8399-8416.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 2132, 6784-6791.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl (4aS,8aS)-hexahydro-2H-pyrido[4,3-b][1,4]oxazine-6(5H)-carboxylate Using HRMS and NMR". Talanta, 2017, 2191, 4613-4628.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 607, (3), 8159-8189.