发明人郭海燕,林芳,罗永刚. "Method for the Synthesis of 1-(Tert-butyl) 3-methyl (3S,4S)-4-isobutylpyrrolidine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108431065 A, 授权公告日 2019-08-08.
发明人韩伟,马晓峰,孙丽萍. "A Process for Preparing High-Purity 1-(Tert-butyl) 3-methyl (3S,4S)-4-isobutylpyrrolidine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 114334866 A, 授权公告日 2019-04-21.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2016, 149, 2755-2763.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 2353, 6017-6031.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Tert-butyl) 3-methyl (3S,4S)-4-isobutylpyrrolidine-1,3-dicarboxylate Using HRMS and NMR". J. Sep. Sci., 2020, 995, 2757-2781.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2015, 1420, (2), 3279-3288.