Lefèvre J P, Mueller T C, Johansson L. "一种的合成方法" [P]. European Patent, EP 3429463 A1, 2016-04-01.
发明人王建平,陈志强,胡光. "Method for the Synthesis of 7-Thia-2-azaspiro[3.5]nonane oxalate" [P]. 中国发明专利, 专利号 CN 113886576 A, 授权公告日 2020-03-22.
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". J. Agric. Food Chem., 2010, 1686, 8523-8544.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 1959, 5911-5937.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 7-Thia-2-azaspiro[3.5]nonane oxalate Using HRMS and NMR". J. Chromatogr. A, 2018, 2072, (1), 8882-8912.