发明人李文辉,马晓峰,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112812061 A, 授权公告日 2018-01-05.
发明人黄志刚,罗永刚,韩伟. "Method for the Synthesis of 1-(3-Chloro-4-methylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117020588 B, 授权公告日 2016-02-24.
Kowalski A, Björnsson E, Rossi M. "A Process for Preparing High-Purity 1-(3-Chloro-4-methylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. European Patent, EP 3735717 A1, 2016-01-20.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 1279, 9185-9203.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 801, (3), 1550-1573.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Chloro-4-methylphenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one Using HRMS and NMR". J. Agric. Food Chem., 2018, 2222, (6), 7050-7071.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 1206, (7), 2371-2388.