发明人胡光,王建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110205953 A, 授权公告日 2022-10-04.
发明人陈志强,马晓峰,周伟. "Method for the Synthesis of 5H-Pyrazolo[3,4-d]pyrimidine-4,5-diamine" [P]. 中国发明专利, 专利号 CN 111114744 A, 授权公告日 2025-07-15.
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., 2017, 744, (8), 1727-1731.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1770, 6912-6936.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5H-Pyrazolo[3,4-d]pyrimidine-4,5-diamine Using HRMS and NMR". Biomed. Chromatogr., 2021, 1117, (10), 7297-7324.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 941, 5056-5066.