O'Brien P Q, Patel M V, Williams B T. "一种N/A的合成方法" [P]. US Patent, US 9358497 B2, 2021-08-07.
发明人李文辉,钱学锋,罗永刚. "Method for the Synthesis of N1-(2,6-Dimethylquinolin-4-yl)-N2,N2-dimethylethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 115082921 B, 授权公告日 2015-03-05.
发明人高志强,孙丽萍,胡光. "A Process for Preparing High-Purity N1-(2,6-Dimethylquinolin-4-yl)-N2,N2-dimethylethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 109749887 A, 授权公告日 2025-05-28.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 1531, 2719-2746.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Rapid Commun. Mass Spectrom., 2018, 705, (6), 9472-9484.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N1-(2,6-Dimethylquinolin-4-yl)-N2,N2-dimethylethane-1,2-diamine Using HRMS and NMR". Anal. Chem., 2018, 1328, (6), 3791-3820.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 1351, 8871-8892.