发明人孙丽萍,冯建国,朱建伟. "Method for the Synthesis of 2-Ethyl 4-methyl (2S,4S,5S)-4,5-dimethylpyrrolidine-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115485792 B, 授权公告日 2016-03-17.
O'Brien P Q, Fischer A B, Lee S K. "A Process for Preparing High-Purity 2-Ethyl 4-methyl (2S,4S,5S)-4,5-dimethylpyrrolidine-2,4-dicarboxylate" [P]. US Patent, US 11505544 B2, 2018-04-21.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 1000, (9), 4660-4668.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 1405, (6), 4481-4489.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl 4-methyl (2S,4S,5S)-4,5-dimethylpyrrolidine-2,4-dicarboxylate Using HRMS and NMR". J. Agric. Food Chem., 2025, 2476, (8), 405-435.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 851, (1), 7330-7354.