发明人马晓峰,刘建华,沈红梅. "Method for the Synthesis of 4-(Tert-butyl) 6-ethyl 7-oxo-4-azaspiro[2.5]Octane-4,6-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116326027 B, 授权公告日 2017-07-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 991, (7), 6713-6717.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 376, (11), 5844-5873.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Tert-butyl) 6-ethyl 7-oxo-4-azaspiro[2.5]Octane-4,6-dicarboxylate Using HRMS and NMR". J. Agric. Food Chem., 2020, 1465, (10), 911-937.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 1263, (4), 4286-4296.