Jørgensen K, Schröder R, Johansson L. "一种的合成方法" [P]. European Patent, EP 3990012 A1, 2015-10-10.
发明人朱建伟,郭海燕,周伟. "Method for the Synthesis of 2-Amino-1-ethyl-4-hydroxy-5-oxo-4,5-dihydro-1H-imidazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110499573 A, 授权公告日 2023-10-27.
Johnson M A, Brown S R, Stevens L M. "A Process for Preparing High-Purity 2-Amino-1-ethyl-4-hydroxy-5-oxo-4,5-dihydro-1H-imidazole-4-carboxylic acid" [P]. US Patent, US 11277181 B2, 2015-12-26.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 951, (5), 3787-3808.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 2030, (10), 6988-7000.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-1-ethyl-4-hydroxy-5-oxo-4,5-dihydro-1H-imidazole-4-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2014, 141, (12), 6206-6224.