发明人郑宇鹏,胡光,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110352190 A, 授权公告日 2017-03-15.
Williams B T, Klinger H, O'Brien P Q. "Method for the Synthesis of 4,6-Bis(4-fluorophenyl)-2-methyl-5-(pyridin-4-yl)-2H-pyrazolo[3,4-b]pyridine" [P]. US Patent, US 11939458 B2, 2016-02-02.
Rossi M, Lefèvre J P, Martínez F. "A Process for Preparing High-Purity 4,6-Bis(4-fluorophenyl)-2-methyl-5-(pyridin-4-yl)-2H-pyrazolo[3,4-b]pyridine" [P]. European Patent, EP 3579494 A1, 2024-04-11.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2014, 1120, (3), 9145-9167.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 1586, (5), 37-55.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Bis(4-fluorophenyl)-2-methyl-5-(pyridin-4-yl)-2H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Anal. Chem., 2015, 410, (11), 2193-2205.