Nielsen H, Martínez F, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3026186 A1, 2017-08-24.
发明人黄志刚,唐晓军,朱建伟. "Method for the Synthesis of 9-Oxa-1,4-diazaspiro[5.5]Undecane" [P]. 中国发明专利, 专利号 CN 116065960 A, 授权公告日 2024-02-05.
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. Chim. Acta, 2017, 697, (2), 7418-7430.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 927, 9203-9225.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 9-Oxa-1,4-diazaspiro[5.5]Undecane Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 2278, 4172-4175.