发明人郭海燕,李文辉,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117087993 A, 授权公告日 2020-11-08.
发明人韩伟,杨光,陈志强. "Method for the Synthesis of 1,4-Dioxa-8-azaspiro[4.5]decane-8-carboxylic Acid 1,1-Dimethylethyl Ester" [P]. 中国发明专利, 专利号 CN 110989274 A, 授权公告日 2020-06-16.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 1129, (2), 8437-8442.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 737, 7983-7994.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dioxa-8-azaspiro[4.5]decane-8-carboxylic Acid 1,1-Dimethylethyl Ester Using HRMS and NMR". Molecules, 2015, 859, 424-447.