发明人高志强,胡光,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117603418 A, 授权公告日 2020-07-12.
Johansson L, Schröder R, Lefèvre J P. "Method for the Synthesis of 1-Butyl-3-methyl-1H-imidazol-3-ium 2-(2-methoxyethoxy)ethyl sulfate" [P]. European Patent, EP 3085369 A1, 2019-05-04.
Johnson M A, Brown S R, Roberts E F. "A Process for Preparing High-Purity 1-Butyl-3-methyl-1H-imidazol-3-ium 2-(2-methoxyethoxy)ethyl sulfate" [P]. US Patent, US 11484588 B2, 2020-04-27.
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". Talanta, 2021, 144, (7), 880-889.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 239, (1), 2045-2070.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-Butyl-3-methyl-1H-imidazol-3-ium 2-(2-methoxyethoxy)ethyl sulfate Using HRMS and NMR". J. Sep. Sci., 2013, 999, 2589-2603.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 1994, (9), 5273-5289.