Fischer A B, Yamamoto T, O'Brien P Q. "Method for the Synthesis of 3-methoxy-1H-pyrazolo[3,4-b]pyridin-5-amine" [P]. US Patent, US 9746128 B2, 2024-04-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 3-甲氧基-1H-吡唑并[3,4-b]吡啶-5-胺 in Pharmaceutical Formulations". Talanta, 2012, 1882, 4799-4813.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-甲氧基-1H-吡唑并[3,4-b]吡啶-5-胺 as an Impurity". Chemosphere, 2022, 1088, 8355-8367.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-methoxy-1H-pyrazolo[3,4-b]pyridin-5-amine Using HRMS and NMR". J. Chromatogr. A, 2016, 2236, (9), 1094-1100.