Rossi M, Björnsson E, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3135175 A1, 2021-10-03.
发明人高志强,陈志强,胡光. "Method for the Synthesis of 2-Amino-1-methyl-4,5-dihydro-1h-imidazole-4,5-dione, trifluoroacetic acid" [P]. 中国发明专利, 专利号 CN 112587586 A, 授权公告日 2016-09-27.
发明人徐明华,韩伟,胡光. "A Process for Preparing High-Purity 2-Amino-1-methyl-4,5-dihydro-1h-imidazole-4,5-dione, trifluoroacetic acid" [P]. 中国发明专利, 专利号 CN 113440037 B, 授权公告日 2019-01-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 1161, (11), 2700-2709.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 675, (10), 9543-9558.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-1-methyl-4,5-dihydro-1h-imidazole-4,5-dione, trifluoroacetic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 1369, (6), 4135-4145.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 2204, 4043-4054.