发明人徐明华,林芳,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117533488 A, 授权公告日 2015-05-18.
发明人张德明,黄志刚,李文辉. "Method for the Synthesis of Tert-butyl 6-oxo-1-azaspiro[3.5]Nonane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111023072 B, 授权公告日 2020-07-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 1662, 9286-9298.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 1410, (2), 2589-2598.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 6-oxo-1-azaspiro[3.5]Nonane-1-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2016, 381, (3), 3955-3959.