Sørensen M, Nowak P, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3601048 A1, 2022-12-17.
发明人陈志强,黄志刚,何建平. "Method for the Synthesis of 2-(6-Fluoro-1H-benzo[d]imidazol-1-yl)-9-(tetrahydro-2H-pyran-4-yl)-7H-purin-8(9H)-one" [P]. 中国发明专利, 专利号 CN 117138607 A, 授权公告日 2017-02-27.
发明人陈志强,周伟,何建平. "A Process for Preparing High-Purity 2-(6-Fluoro-1H-benzo[d]imidazol-1-yl)-9-(tetrahydro-2H-pyran-4-yl)-7H-purin-8(9H)-one" [P]. 中国发明专利, 专利号 CN 117062668 A, 授权公告日 2025-06-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 2476, (2), 3176-3186.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 1735, (4), 5596-5612.