发明人孙丽萍,沈红梅,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113902745 A, 授权公告日 2016-07-22.
发明人郑宇鹏,马晓峰,刘建华. "Method for the Synthesis of 4-Chloro-1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116316709 B, 授权公告日 2017-02-17.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 1395, (4), 5815-5844.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 1981, (7), 7574-7590.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Phytochemistry, 2017, 1806, 1272-1286.