发明人孙丽萍,高志强,徐明华. "Method for the Synthesis of N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 108142492 B, 授权公告日 2025-09-04.
发明人钱学锋,黄志刚,高志强. "A Process for Preparing High-Purity N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 114269739 A, 授权公告日 2016-07-18.
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". Anal. Methods, 2011, 509, (6), 7255-7271.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 810, (12), 3404-3411.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide Using HRMS and NMR". Chromatographia, 2012, 673, 222-232.