Park J H, Stevens L M, Yamamoto T. "Method for the Synthesis of n-Ethyl-n-(thiophene-2-carbonyl)glycine" [P]. US Patent, US 9311278 B2, 2017-08-08.
发明人杨光,郭海燕,高志强. "A Process for Preparing High-Purity n-Ethyl-n-(thiophene-2-carbonyl)glycine" [P]. 中国发明专利, 专利号 CN 116944383 A, 授权公告日 2018-04-06.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 742, 7374-7399.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 1045, (5), 8370-8389.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of n-Ethyl-n-(thiophene-2-carbonyl)glycine Using HRMS and NMR". Chromatographia, 2019, 1230, 4184-4203.