Lefèvre J P, Rossi M, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3666724 A1, 2023-10-17.
Chen K W, Johnson M A, Yamamoto T. "Method for the Synthesis of 3-Bromo-5-iodo-2H-pyrazolo[3,4-b]pyridine" [P]. US Patent, US 11096208 B2, 2015-09-15.
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". Food Chem., 2016, 1048, 2825-2829.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 1498, (7), 440-468.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-5-iodo-2H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Anal. Chim. Acta, 2025, 583, (4), 9164-9188.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 169, (7), 8578-8608.