Chen K W, Stevens L M, Roberts E F. "一种的合成方法" [P]. US Patent, US 11588201 B2, 2017-08-17.
Björnsson E, Nowak P, Jørgensen K. "Method for the Synthesis of N-((R)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-3-yl)-N-isopropylacetamide" [P]. European Patent, EP 3825885 A1, 2017-08-12.
发明人李文辉,王建平,唐晓军. "A Process for Preparing High-Purity N-((R)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-3-yl)-N-isopropylacetamide" [P]. 中国发明专利, 专利号 CN 108360506 A, 授权公告日 2016-02-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 969, (3), 767-792.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 1731, (2), 739-747.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of N-((R)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-3-yl)-N-isopropylacetamide Using HRMS and NMR". J. Agric. Food Chem., 2016, 791, (12), 5130-5159.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2018, 194, (7), 5443-5460.