发明人刘建华,郑宇鹏,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111879523 A, 授权公告日 2019-04-03.
Björnsson E, Martínez F, Kowalski A. "Method for the Synthesis of 2-Methyl-2,8-diazaspiro[4.5]Decane dihydrochloride" [P]. European Patent, EP 3925091 A1, 2015-11-27.
Lee S K, Yamamoto T, Klinger H. "A Process for Preparing High-Purity 2-Methyl-2,8-diazaspiro[4.5]Decane dihydrochloride" [P]. US Patent, US 11272103 B2, 2019-11-20.
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". Biomed. Chromatogr., 2013, 2305, (6), 8891-8907.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 88, (1), 5398-5411.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-2,8-diazaspiro[4.5]Decane dihydrochloride Using HRMS and NMR". Chromatographia, 2011, 151, 4317-4321.