Lee S K, Kumar R, Anderson J P. "一种的合成方法" [P]. US Patent, US 9985435 B2, 2019-04-08.
O'Brien P Q, Mueller T, Klinger H. "Method for the Synthesis of Ethyl 2-(6-(4-fluorophenyl)-3-methyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate" [P]. US Patent, US 9735891 B2, 2020-04-19.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 1289, 7272-7294.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 262, 1219-1237.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(6-(4-fluorophenyl)-3-methyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate Using HRMS and NMR". Chromatographia, 2014, 1819, (3), 4998-5016.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 817, 3116-3145.