发明人郑宇鹏,罗永刚,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109066546 A, 授权公告日 2018-10-10.
发明人冯建国,刘建华,赵玉洁. "Method for the Synthesis of Benzyl 6,6-difluoro-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 117849108 A, 授权公告日 2017-08-15.
Thompson G K, Roberts E F, Park J H. "A Process for Preparing High-Purity Benzyl 6,6-difluoro-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. US Patent, US 10642603 B2, 2020-01-16.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2015, 856, (8), 8674-8685.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 2253, (1), 9509-9527.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 6,6-difluoro-2,8-diazaspiro[4.5]Decane-8-carboxylate Using HRMS and NMR". Chromatographia, 2019, 931, (1), 4443-4472.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1568, (5), 7712-7742.