Sørensen M, Lefèvre J P, Nielsen H. "Method for the Synthesis of Methyl 1-butyl-5-oxopyrrolidine-3-carboxylate" [P]. European Patent, EP 3017396 A1, 2022-01-06.
发明人何建平,王建平,冯建国. "A Process for Preparing High-Purity Methyl 1-butyl-5-oxopyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113168304 B, 授权公告日 2015-02-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 362, (12), 8398-8424.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 1630, 5995-6007.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-butyl-5-oxopyrrolidine-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2013, 1348, 4346-4372.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 1831, 4694-4720.