发明人钱学锋,冯建国,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114471163 A, 授权公告日 2023-08-14.
发明人郭海燕,杨光,郑宇鹏. "Method for the Synthesis of 1-([1,1'-Biphenyl]-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 114312699 A, 授权公告日 2021-08-07.
发明人朱建伟,唐晓军,何建平. "A Process for Preparing High-Purity 1-([1,1'-Biphenyl]-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 111908486 B, 授权公告日 2016-06-26.
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". Biomed. Chromatogr., 2010, 2145, 379-385.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 2473, (7), 5873-5902.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-([1,1'-Biphenyl]-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one Using HRMS and NMR". Anal. Chem., 2020, 870, 3340-3355.