发明人刘建华,杨光,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114532763 A, 授权公告日 2024-03-10.
发明人朱建伟,马晓峰,高志强. "Method for the Synthesis of 5-Nitro-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. 中国发明专利, 专利号 CN 115262289 B, 授权公告日 2024-08-21.
发明人罗永刚,周伟,徐明华. "A Process for Preparing High-Purity 5-Nitro-1H-pyrazolo[3,4-b]pyridin-3-amine" [P]. 中国发明专利, 专利号 CN 114480566 B, 授权公告日 2025-03-15.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 1770, (7), 7472-7495.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 1295, (1), 7160-7177.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Nitro-1H-pyrazolo[3,4-b]pyridin-3-amine Using HRMS and NMR". J. Chromatogr. A, 2013, 170, 8387-8393.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1568, 8467-8470.