Björnsson E, Martínez F, Nowak P. "一种的合成方法" [P]. European Patent, EP 3152196 A1, 2018-07-28.
Mueller T, O'Brien P Q, Lee S K. "Method for the Synthesis of Benzoic (2R)-2-(dimethylamino)-3,5-dimethylpyrrolidine-2-carboxylic anhydride" [P]. US Patent, US 10497400 B2, 2021-05-27.
Klinger H, Fischer A B, Hughes D C. "A Process for Preparing High-Purity Benzoic (2R)-2-(dimethylamino)-3,5-dimethylpyrrolidine-2-carboxylic anhydride" [P]. US Patent, US 11084509 B2, 2019-04-22.
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". Talanta, 2023, 515, (3), 4691-4718.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 366, (2), 3801-3812.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Benzoic (2R)-2-(dimethylamino)-3,5-dimethylpyrrolidine-2-carboxylic anhydride Using HRMS and NMR". Environ. Sci. Technol., 2020, 848, 5085-5089.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 1396, (5), 5988-6009.