Schröder R, Chen K W, Lee S K. "一种的合成方法" [P]. US Patent, US 10525759 B2, 2021-01-15.
发明人韩伟,罗永刚,杨光. "Method for the Synthesis of 1-((4-Ethylphenyl)amino)-3-methylbenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 115538900 A, 授权公告日 2016-08-07.
发明人杨光,高志强,林芳. "A Process for Preparing High-Purity 1-((4-Ethylphenyl)amino)-3-methylbenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 112942930 B, 授权公告日 2016-09-17.
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". Anal. Methods, 2021, 1955, (10), 1248-1255.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1390, 1268-1279.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-((4-Ethylphenyl)amino)-3-methylbenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile Using HRMS and NMR". Food Chem., 2011, 1027, (1), 6060-6086.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2011, 2012, (11), 9274-9283.