发明人沈红梅,何建平,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115353088 A, 授权公告日 2019-09-22.
发明人沈红梅,何建平,陈志强. "Method for the Synthesis of 1-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1H-1,2,4-triazol-3-amine" [P]. 中国发明专利, 专利号 CN 109968213 A, 授权公告日 2016-03-21.
发明人徐明华,沈红梅,孙丽萍. "A Process for Preparing High-Purity 1-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1H-1,2,4-triazol-3-amine" [P]. 中国发明专利, 专利号 CN 113586549 A, 授权公告日 2018-05-08.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2018, 798, (7), 2232-2241.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 170, (5), 7313-7316.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1H-1,2,4-triazol-3-amine Using HRMS and NMR". J. Agric. Food Chem., 2011, 324, (1), 6234-6257.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2021, 1064, (1), 4083-4109.