发明人钱学锋,胡光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113719544 A, 授权公告日 2016-08-05.
发明人何建平,高志强,赵玉洁. "Method for the Synthesis of N1-(9-Benzyl-2-chloro-9H-purin-6-yl)benzene-1,4-diamine" [P]. 中国发明专利, 专利号 CN 115566005 B, 授权公告日 2016-05-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 460, (9), 2753-2765.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 2434, 1441-1449.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N1-(9-Benzyl-2-chloro-9H-purin-6-yl)benzene-1,4-diamine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1048, (7), 3208-3237.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2011, 1079, 6587-6601.