发明人郭海燕,杨光,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110368136 A, 授权公告日 2022-03-16.
发明人高志强,唐晓军,何建平. "Method for the Synthesis of 1-Ethyl-3-ethynyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 116519901 B, 授权公告日 2015-12-05.
Lefèvre J P, Jørgensen K, Martínez F. "A Process for Preparing High-Purity 1-Ethyl-3-ethynyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. European Patent, EP 3828462 A1, 2021-01-18.
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". Chemosphere, 2017, 435, 7605-7626.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 1242, (7), 7245-7261.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-3-ethynyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Anal. Chim. Acta, 2013, 1274, (6), 3304-3326.