发明人韩伟,徐明华,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113188166 A, 授权公告日 2022-05-24.
发明人赵玉洁,沈红梅,李文辉. "Method for the Synthesis of 1-Oxa-8-azaspiro[5.5]Undecane" [P]. 中国发明专利, 专利号 CN 113679608 A, 授权公告日 2022-02-02.
发明人王建平,钱学锋,冯建国. "A Process for Preparing High-Purity 1-Oxa-8-azaspiro[5.5]Undecane" [P]. 中国发明专利, 专利号 CN 109116879 B, 授权公告日 2019-07-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2015, 829, (7), 1313-1335.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 305, 2241-2256.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-Oxa-8-azaspiro[5.5]Undecane Using HRMS and NMR". Biomed. Chromatogr., 2014, 2432, (4), 7636-7655.