发明人张德明,朱建伟,陈志强. "Method for the Synthesis of 3,4-Dichloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 113074431 B, 授权公告日 2016-06-20.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 930, 7547-7555.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2467, 2045-2063.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dichloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Molecules, 2025, 2281, 4503-4523.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 1948, (5), 8966-8982.