发明人马晓峰,冯建国,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111908316 A, 授权公告日 2017-06-11.
发明人郭海燕,胡光,李文辉. "Method for the Synthesis of 2-(Tert-butoxycarbonyl)-6-oxa-2-azaspiro[3.4]Octane-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115891350 B, 授权公告日 2023-05-17.
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". Food Chem., 2018, 1186, 8014-8033.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1755, (2), 5303-5308.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Tert-butoxycarbonyl)-6-oxa-2-azaspiro[3.4]Octane-7-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2022, 745, (2), 2177-2195.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2020, 2472, (2), 7254-7279.