Nielsen H, Jørgensen K, Schröder R. "一种的合成方法" [P]. European Patent, EP 3069411 A1, 2017-05-27.
发明人赵玉洁,周伟,陈志强. "Method for the Synthesis of 9-Ethyl-1-oxa-9-azaspiro[5.5]undecan-4-amine" [P]. 中国发明专利, 专利号 CN 117522477 B, 授权公告日 2021-05-01.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 313, 6052-6062.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 373, 2208-2224.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 9-Ethyl-1-oxa-9-azaspiro[5.5]undecan-4-amine Using HRMS and NMR". Anal. Chim. Acta, 2017, 2212, (1), 6944-6956.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 1501, (3), 3125-3128.