Fischer A B, Schröder R, Mueller T. "一种的合成方法" [P]. US Patent, US 11654115 B2, 2024-07-08.
Björnsson E, Kowalski A, Lefèvre J P. "Method for the Synthesis of 3-fluoro-3-methyl-1-{1-methyl-1H-pyrazolo[3,4-b]pyridin-4-yl}pyrrolidine" [P]. European Patent, EP 3670542 A1, 2017-02-17.
发明人冯建国,马晓峰,李文辉. "A Process for Preparing High-Purity 3-fluoro-3-methyl-1-{1-methyl-1H-pyrazolo[3,4-b]pyridin-4-yl}pyrrolidine" [P]. 中国发明专利, 专利号 CN 115288893 B, 授权公告日 2023-08-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2024, 1990, (2), 8908-8922.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 541, 1875-1901.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-fluoro-3-methyl-1-{1-methyl-1H-pyrazolo[3,4-b]pyridin-4-yl}pyrrolidine Using HRMS and NMR". J. Agric. Food Chem., 2019, 1729, (3), 8856-8873.