发明人孙丽萍,徐明华,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110708362 A, 授权公告日 2016-04-02.
发明人罗永刚,钱学锋,王建平. "Method for the Synthesis of Tert-butyl 2-oxa-6,9-diazaspiro[3.6]decane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 111433532 A, 授权公告日 2019-08-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 1886, 9981-10009.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 1465, 6560-6570.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 2-oxa-6,9-diazaspiro[3.6]decane-6-carboxylate Using HRMS and NMR". Chemosphere, 2016, 1857, 9182-9197.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 848, (11), 1558-1567.