发明人韩伟,陈志强,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109652307 A, 授权公告日 2016-08-13.
发明人张德明,钱学锋,何建平. "Method for the Synthesis of (S)-N-((S)-1-Amino-1-oxopropan-2-yl)-1-((S)-pyrrolidine-2-carbonyl)pyrrolidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110973280 A, 授权公告日 2015-12-18.
发明人唐晓军,韩伟,李文辉. "A Process for Preparing High-Purity (S)-N-((S)-1-Amino-1-oxopropan-2-yl)-1-((S)-pyrrolidine-2-carbonyl)pyrrolidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 113254845 A, 授权公告日 2020-07-16.
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". J. Sep. Sci., 2011, 2196, 6603-6618.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 2162, 6854-6868.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (S)-N-((S)-1-Amino-1-oxopropan-2-yl)-1-((S)-pyrrolidine-2-carbonyl)pyrrolidine-2-carboxamide Using HRMS and NMR". Anal. Chim. Acta, 2015, 191, (5), 6521-6534.