Chen K W, Williams B T, Park J H. "一种的合成方法" [P]. US Patent, US 11756082 B2, 2020-11-18.
发明人周伟,沈红梅,王建平. "Method for the Synthesis of 1-(2-Chlorobenzyl)-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 108552563 A, 授权公告日 2021-06-07.
发明人何建平,郭海燕,冯建国. "A Process for Preparing High-Purity 1-(2-Chlorobenzyl)-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 116319292 A, 授权公告日 2021-11-20.
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., 2022, 734, 3675-3699.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 1024, 2643-2650.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Chlorobenzyl)-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". J. Chromatogr. A, 2023, 1176, (7), 4157-4174.