Lefèvre J P, Rossi M, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3298920 A1, 2015-12-24.
Johansson L, Sørensen M, Jørgensen K. "Method for the Synthesis of N1-(2-Hydroxy-2-methyl-4-(methylthio)butyl)-N2-(2-methoxybenzyl)oxalamide" [P]. European Patent, EP 3211915 A1, 2023-02-12.
发明人李文辉,韩伟,陈志强. "A Process for Preparing High-Purity N1-(2-Hydroxy-2-methyl-4-(methylthio)butyl)-N2-(2-methoxybenzyl)oxalamide" [P]. 中国发明专利, 专利号 CN 115842977 A, 授权公告日 2022-04-10.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 229, (11), 8234-8260.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 1621, (8), 8004-8013.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of N1-(2-Hydroxy-2-methyl-4-(methylthio)butyl)-N2-(2-methoxybenzyl)oxalamide Using HRMS and NMR". Molecules, 2011, 600, 5669-5681.