Lefèvre J P, Nowak P, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3630338 A1, 2020-10-25.
发明人李文辉,刘建华,何建平. "Method for the Synthesis of 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112563553 B, 授权公告日 2024-10-13.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2016, 1973, (8), 1312-1325.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 2354, 8190-8214.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde Using HRMS and NMR". Environ. Sci. Technol., 2011, 625, (1), 5203-5225.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 2096, (10), 8956-8963.