发明人郑宇鹏,韩伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113136542 A, 授权公告日 2015-12-18.
发明人韩伟,王建平,钱学锋. "Method for the Synthesis of 2-Chloro-1,5,6-trimethyl-1H-imidazo[4,5-b]pyrazine" [P]. 中国发明专利, 专利号 CN 108454633 B, 授权公告日 2024-05-13.
Martínez F, Schröder R, Sørensen M. "A Process for Preparing High-Purity 2-Chloro-1,5,6-trimethyl-1H-imidazo[4,5-b]pyrazine" [P]. European Patent, EP 3429722 A1, 2021-05-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 573, (8), 6393-6400.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 2241, (12), 5349-5355.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-1,5,6-trimethyl-1H-imidazo[4,5-b]pyrazine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2389, 2831-2843.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2015, 1991, (6), 4025-4039.