Hughes D C, Williams B T, Roberts E F. "一种的合成方法" [P]. US Patent, US 11258990 B2, 2019-04-26.
Klinger H, O'Brien P Q, Chen K W. "Method for the Synthesis of n-(2-Aminoethyl)-1-methyl-1h-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. US Patent, US 9946839 B2, 2022-12-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2025, 87, (6), 9144-9170.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 284, 3679-3701.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of n-(2-Aminoethyl)-1-methyl-1h-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Biomed. Chromatogr., 2020, 440, 5610-5626.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2024, 2096, (11), 8998-9001.