Jørgensen K, Nielsen H, Nowak P. "一种的合成方法" [P]. European Patent, EP 3776267 A1, 2019-06-18.
Roberts E F, Williams B T, Schröder R. "Method for the Synthesis of 1-methyl-6-(propan-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbaldehyde" [P]. US Patent, US 9722651 B2, 2017-01-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 1277, 4524-4541.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 2265, 8702-8715.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-methyl-6-(propan-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carbaldehyde Using HRMS and NMR". Food Chem., 2017, 1690, (1), 2195-2218.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2025, 1117, 2225-2241.