发明人何建平,王建平,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112091859 A, 授权公告日 2021-05-14.
发明人赵玉洁,何建平,马晓峰. "Method for the Synthesis of 1-(4-Fluorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 109463791 A, 授权公告日 2024-10-09.
Hughes D C, Brown S R, Fischer A B. "A Process for Preparing High-Purity 1-(4-Fluorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one" [P]. US Patent, US 10779847 B2, 2018-06-01.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 702, 2832-2847.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1417, 2033-2062.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Fluorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one Using HRMS and NMR". J. Sep. Sci., 2020, 1561, (9), 789-803.