发明人王建平,徐明华,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115261657 A, 授权公告日 2023-03-03.
发明人陈志强,王建平,马晓峰. "Method for the Synthesis of (R)-(-)-5-Ethylcarboxyl-2-pyrrolidinone" [P]. 中国发明专利, 专利号 CN 117350000 B, 授权公告日 2018-05-05.
Chen K W, Thompson G K, Park J H. "A Process for Preparing High-Purity (R)-(-)-5-Ethylcarboxyl-2-pyrrolidinone" [P]. US Patent, US 9255897 B2, 2016-04-01.
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". J. Chromatogr. A, 2021, 1809, 3470-3497.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 2224, 8183-8191.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (R)-(-)-5-Ethylcarboxyl-2-pyrrolidinone Using HRMS and NMR". Anal. Chim. Acta, 2011, 1535, (8), 1726-1732.