Nowak P, Mueller T C, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3931545 A1, 2015-02-18.
发明人陈志强,韩伟,刘建华. "Method for the Synthesis of 8-Oxa-5-azaspiro[3.5]Nonane oxalate" [P]. 中国发明专利, 专利号 CN 116544393 B, 授权公告日 2025-04-15.
发明人李文辉,王建平,赵玉洁. "A Process for Preparing High-Purity 8-Oxa-5-azaspiro[3.5]Nonane oxalate" [P]. 中国发明专利, 专利号 CN 116328453 A, 授权公告日 2019-01-02.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2017, 2427, (11), 9140-9165.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2011, 612, 2330-2344.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 8-Oxa-5-azaspiro[3.5]Nonane oxalate Using HRMS and NMR". Anal. Chem., 2021, 1523, 9185-9215.