Rossi M, Nielsen H, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3503630 A1, 2015-11-28.
发明人唐晓军,李文辉,王建平. "Method for the Synthesis of 6-Chloro-4-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 114901144 A, 授权公告日 2017-03-25.
发明人周伟,张德明,朱建伟. "A Process for Preparing High-Purity 6-Chloro-4-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 114135324 B, 授权公告日 2015-03-22.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 1093, 2246-2265.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 386, (7), 9587-9607.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-4-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". J. Nat. Prod., 2025, 1958, 3491-3494.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2021, 193, 8637-8663.