Schröder R, Lefèvre J P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3913424 A1, 2016-04-15.
发明人黄志刚,钱学锋,郑宇鹏. "Method for the Synthesis of (S)-2-Amino-N,3-dimethyl-N-(((S)-1-methylpyrrolidin-2-yl)methyl)butanamide" [P]. 中国发明专利, 专利号 CN 112936275 B, 授权公告日 2016-07-22.
发明人杨光,唐晓军,钱学锋. "A Process for Preparing High-Purity (S)-2-Amino-N,3-dimethyl-N-(((S)-1-methylpyrrolidin-2-yl)methyl)butanamide" [P]. 中国发明专利, 专利号 CN 112354034 B, 授权公告日 2020-05-02.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1110, 5743-5769.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1080, (2), 2597-2608.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-N,3-dimethyl-N-(((S)-1-methylpyrrolidin-2-yl)methyl)butanamide Using HRMS and NMR". Chemosphere, 2010, 1881, (7), 8681-8695.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 1444, 7050-7066.