Mueller T C, Schröder R, Rossi M. "一种的合成方法" [P]. European Patent, EP 3735545 A1, 2017-02-12.
发明人沈红梅,徐明华,郑宇鹏. "Method for the Synthesis of 8-methyl-2-oxa-5,8-diazaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 108139696 B, 授权公告日 2022-07-04.
发明人王建平,孙丽萍,钱学锋. "A Process for Preparing High-Purity 8-methyl-2-oxa-5,8-diazaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 108196909 A, 授权公告日 2021-01-04.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1493, (2), 6774-6782.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 643, (9), 8129-8155.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 8-methyl-2-oxa-5,8-diazaspiro[3.5]nonane Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 512, (8), 7119-7143.