发明人陈志强,胡光,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116547476 A, 授权公告日 2015-11-23.
发明人张德明,杨光,李文辉. "Method for the Synthesis of 1-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 111783786 B, 授权公告日 2016-02-03.
发明人朱建伟,郑宇鹏,李文辉. "A Process for Preparing High-Purity 1-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 114825702 A, 授权公告日 2015-07-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 750, 4751-4777.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 244, (2), 9781-9789.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one Using HRMS and NMR". Sci. Total Environ., 2011, 100, 5996-6025.