发明人陈志强,周伟,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112381150 A, 授权公告日 2018-12-08.
发明人韩伟,孙丽萍,高志强. "Method for the Synthesis of 2-(4-Oxo-7-(m-tolyl)thieno[3,2-d]pyrimidin-3(4H)-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 116384016 A, 授权公告日 2024-04-06.
发明人唐晓军,马晓峰,徐明华. "A Process for Preparing High-Purity 2-(4-Oxo-7-(m-tolyl)thieno[3,2-d]pyrimidin-3(4H)-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 109016150 A, 授权公告日 2017-12-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2016, 517, 8198-8221.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 2000, (8), 3123-3144.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Oxo-7-(m-tolyl)thieno[3,2-d]pyrimidin-3(4H)-yl)acetonitrile Using HRMS and NMR". Chromatographia, 2021, 1801, (4), 8028-8057.