发明人朱建伟,刘建华,唐晓军. "Method for the Synthesis of 2-Oxa-5-azaspiro[3.5]nonane hemioxalate" [P]. 中国发明专利, 专利号 CN 112016414 B, 授权公告日 2019-10-16.
Schröder R, Lefèvre J P, Björnsson E. "A Process for Preparing High-Purity 2-Oxa-5-azaspiro[3.5]nonane hemioxalate" [P]. European Patent, EP 3175909 A1, 2023-03-25.
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, 2016, 1068, (12), 439-453.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 1303, 4319-4344.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxa-5-azaspiro[3.5]nonane hemioxalate Using HRMS and NMR". Biomed. Chromatogr., 2017, 1484, (8), 7628-7656.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 553, 5575-5584.