Lee S K, Hughes D C, Williams B T. "一种的合成方法" [P]. US Patent, US 10619370 B2, 2017-12-24.
Rossi M, Johansson L, Jørgensen K. "Method for the Synthesis of 2-Isobutyl-4-(trifluoromethyl)-2H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. European Patent, EP 3761985 A1, 2020-03-19.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 837, (11), 99-113.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 826, 6720-6740.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Isobutyl-4-(trifluoromethyl)-2H-pyrazolo[3,4-b]pyridin-6(7H)-one Using HRMS and NMR". J. Chromatogr. A, 2010, 1319, (1), 9403-9426.