发明人黄志刚,郭海燕,徐明华. "Method for the Synthesis of 4-[1-(4-Methylphenyl)-6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]morpholine" [P]. 中国发明专利, 专利号 CN 117945980 B, 授权公告日 2017-05-01.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 2085, 1362-1377.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2012, 1056, (4), 4347-4360.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-[1-(4-Methylphenyl)-6-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]morpholine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 507, (9), 9382-9411.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 1042, (3), 2229-2236.