发明人林芳,郑宇鹏,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114913077 A, 授权公告日 2016-02-21.
Fischer A B, Stevens L M, Chen K W. "Method for the Synthesis of 5-Amino-1,2-dimethyl-1h-imidazole-4-carboxamide" [P]. US Patent, US 9786970 B2, 2020-02-02.
发明人朱建伟,冯建国,张德明. "A Process for Preparing High-Purity 5-Amino-1,2-dimethyl-1h-imidazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 108199190 B, 授权公告日 2018-02-26.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 2475, 4208-4219.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 1364, (2), 8205-8226.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1,2-dimethyl-1h-imidazole-4-carboxamide Using HRMS and NMR". J. Chromatogr. A, 2015, 2225, 4165-4179.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 1478, (10), 1217-1240.