发明人王建平,何建平,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115446555 A, 授权公告日 2023-06-21.
Mueller T, Patel M V, O'Brien P Q. "Method for the Synthesis of 1-(4-Ethylphenyl)-4-hydrazinyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. US Patent, US 9064614 B2, 2023-10-22.
发明人林芳,杨光,唐晓军. "A Process for Preparing High-Purity 1-(4-Ethylphenyl)-4-hydrazinyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115482989 B, 授权公告日 2022-05-13.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 672, 2136-2154.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 2176, (8), 7643-7667.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Ethylphenyl)-4-hydrazinyl-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Phytochemistry, 2014, 866, (10), 8871-8882.