Klinger H, Davis P L, Patel M V. "Method for the Synthesis of 5-bromo-1H-pyrazolo[3,4-c]pyridin-3-amine" [P]. US Patent, US 9450884 B2, 2016-10-16.
Lee S K, Roberts E F, Brown S R. "A Process for Preparing High-Purity 5-bromo-1H-pyrazolo[3,4-c]pyridin-3-amine" [P]. US Patent, US 10127691 B2, 2018-01-09.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 519, (9), 6724-6735.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 2315, (1), 4839-4853.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 5-bromo-1H-pyrazolo[3,4-c]pyridin-3-amine Using HRMS and NMR". Phytochemistry, 2022, 2418, 9020-9040.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 1978, (9), 8511-8530.