Brown S R, Thompson G K, Anderson J P. "Method for the Synthesis of 3-Ethyl 1-methyl 4-oxopyrrolidine-1,3-dicarboxylate" [P]. US Patent, US 11989576 B2, 2016-12-15.
发明人罗永刚,张德明,胡光. "A Process for Preparing High-Purity 3-Ethyl 1-methyl 4-oxopyrrolidine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109973697 A, 授权公告日 2024-09-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 677, 7226-7249.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 1767, (4), 8566-8575.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl 1-methyl 4-oxopyrrolidine-1,3-dicarboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 186, (10), 2667-2681.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2010, 879, (3), 6928-6938.