发明人朱建伟,韩伟,胡光. "Method for the Synthesis of (2S,4S)-1-((benzyloxy)carbonyl)-4-cyanopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112399336 B, 授权公告日 2017-03-26.
发明人徐明华,周伟,刘建华. "A Process for Preparing High-Purity (2S,4S)-1-((benzyloxy)carbonyl)-4-cyanopyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113049861 B, 授权公告日 2015-11-21.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 1056, (10), 5557-5566.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 2201, (8), 7782-7792.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4S)-1-((benzyloxy)carbonyl)-4-cyanopyrrolidine-2-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2011, 1524, (11), 7996-8017.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 1747, (8), 3806-3835.