发明人孙丽萍,郑宇鹏,林芳. "Method for the Synthesis of Methyl 2-(3-amino-2-oxopyrrolidin-1-yl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117409608 A, 授权公告日 2021-03-08.
发明人何建平,杨光,周伟. "A Process for Preparing High-Purity Methyl 2-(3-amino-2-oxopyrrolidin-1-yl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113926099 B, 授权公告日 2015-10-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2019, 2228, (5), 6363-6384.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 2045, 8973-8994.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(3-amino-2-oxopyrrolidin-1-yl)thiophene-3-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2014, 413, (5), 4445-4459.