发明人高志强,徐明华,张德明. "Method for the Synthesis of (R)-1-Methyl-5-oxopyrrolidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109306270 B, 授权公告日 2017-01-11.
发明人冯建国,王建平,孙丽萍. "A Process for Preparing High-Purity (R)-1-Methyl-5-oxopyrrolidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 115406258 B, 授权公告日 2017-02-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 286, 7821-7846.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 1484, (12), 2038-2064.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (R)-1-Methyl-5-oxopyrrolidine-2-carboxamide Using HRMS and NMR". Anal. Methods, 2014, 1796, (3), 548-573.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2017, 1074, 7098-7105.