发明人杨光,罗永刚,钱学锋. "Method for the Synthesis of 4-(2-Ethyl-1h-imidazol-1-yl)-2-methyl-2-(methylamino)butanamide" [P]. 中国发明专利, 专利号 CN 115290647 A, 授权公告日 2018-04-04.
发明人李文辉,胡光,刘建华. "A Process for Preparing High-Purity 4-(2-Ethyl-1h-imidazol-1-yl)-2-methyl-2-(methylamino)butanamide" [P]. 中国发明专利, 专利号 CN 114323912 B, 授权公告日 2018-08-13.
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". Phytochemistry, 2022, 346, (7), 6125-6139.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 2269, 8876-8894.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Ethyl-1h-imidazol-1-yl)-2-methyl-2-(methylamino)butanamide Using HRMS and NMR". J. Sep. Sci., 2011, 1611, (2), 4137-4161.