发明人林芳,钱学锋,周伟. "Method for the Synthesis of 2-Chloro-7-methyl-7H-purine" [P]. 中国发明专利, 专利号 CN 110175828 A, 授权公告日 2017-03-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 1077, (10), 5876-5898.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1363, (6), 1287-1314.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-7-methyl-7H-purine Using HRMS and NMR". J. Sep. Sci., 2017, 1186, (10), 9-37.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 2251, (3), 7474-7494.