Mueller T C, Schröder R, Nowak P. "Method for the Synthesis of 4-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxamide" [P]. European Patent, EP 3555520 A1, 2025-06-16.
发明人徐明华,周伟,唐晓军. "A Process for Preparing High-Purity 4-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 111317926 A, 授权公告日 2017-09-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 2128, 2399-2413.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 572, (4), 2606-2620.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxamide Using HRMS and NMR". Chemosphere, 2013, 263, (8), 7501-7523.