Patel M V, O'Brien P Q, Johnson M A. "Method for the Synthesis of tert-Butyl 4-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate" [P]. US Patent, US 9349344 B2, 2019-02-14.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 1582, (6), 8438-8444.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1638, (11), 7861-7889.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate Using HRMS and NMR". J. Sep. Sci., 2021, 416, 229-240.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 2461, 7266-7290.