发明人马晓峰,冯建国,朱建伟. "Method for the Synthesis of 4-(4-Fluorophenyl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111915666 A, 授权公告日 2018-12-01.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2018, 1885, (1), 4012-4037.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 1290, (1), 278-305.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Fluorophenyl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid Using HRMS and NMR". Chromatographia, 2020, 2076, 8225-8244.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 1489, (8), 6065-6090.