Thompson G K, O'Brien P Q, Hughes D C. "一种的合成方法" [P]. US Patent, US 11416690 B2, 2020-01-14.
发明人黄志刚,朱建伟,陈志强. "Method for the Synthesis of Ethyl 2-(4-(difluoromethyl)-6-(furan-2-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate" [P]. 中国发明专利, 专利号 CN 115014781 A, 授权公告日 2015-03-22.
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. Chim. Acta, 2023, 865, (6), 1561-1585.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 2118, 6808-6825.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(4-(difluoromethyl)-6-(furan-2-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate Using HRMS and NMR". Anal. Chem., 2017, 582, (9), 1715-1745.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2010, 179, (10), 1520-1544.