Mueller T C, Björnsson E, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3703528 A1, 2020-11-02.
Hughes D C, Williams B T, Chen K W. "Method for the Synthesis of 3-(Difluoromethyl)-6-(trifluoromethyl)pyridine-2,4-diamine" [P]. US Patent, US 11620001 B2, 2018-02-18.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 400, 2679-2708.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2025, 669, (7), 1086-1101.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-6-(trifluoromethyl)pyridine-2,4-diamine Using HRMS and NMR". Anal. Chim. Acta, 2023, 776, (3), 1823-1826.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2014, 1724, (2), 5752-5758.