发明人黄志刚,唐晓军,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112235177 A, 授权公告日 2017-01-05.
Yamamoto T, Brown S R, Roberts E F. "Method for the Synthesis of 1-Ethyl-4-methyl-1H-imidazole-5-carboxylic acid" [P]. US Patent, US 11548353 B2, 2018-12-03.
Brown S R, Thompson G K, Park J H. "A Process for Preparing High-Purity 1-Ethyl-4-methyl-1H-imidazole-5-carboxylic acid" [P]. US Patent, US 9087555 B2, 2021-01-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 1935, (4), 1589-1611.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 264, (11), 8235-8262.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-4-methyl-1H-imidazole-5-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2015, 321, 2283-2303.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1121, (10), 975-995.