发明人陈志强,郭海燕,沈红梅. "Method for the Synthesis of 3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 116972305 A, 授权公告日 2019-05-26.
发明人赵玉洁,林芳,黄志刚. "A Process for Preparing High-Purity 3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 115346856 A, 授权公告日 2022-12-19.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 3-溴-5-硝基-1H-吡唑并[3,4-b]吡啶 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2018, 134, (5), 6349-6375.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-溴-5-硝基-1H-吡唑并[3,4-b]吡啶 as an Impurity". J. Agric. Food Chem., 2013, 1292, (1), 6705-6733.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Phytochemistry, 2017, 404, (2), 600-610.