发明人张德明,徐明华,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112403775 A, 授权公告日 2016-08-23.
Lefèvre J P, Jørgensen K, Nielsen H. "Method for the Synthesis of Methyl 1-(4-fluorophenyl)-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. European Patent, EP 3040396 A1, 2017-10-05.
发明人冯建国,张德明,郭海燕. "A Process for Preparing High-Purity Methyl 1-(4-fluorophenyl)-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112517974 B, 授权公告日 2020-02-12.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 888, (10), 8722-8746.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 2156, 9499-9518.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-(4-fluorophenyl)-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 1452, 7596-7621.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 2000, (4), 2421-2424.