Davis P L, Klinger H, Thompson G K. "Method for the Synthesis of 4-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile" [P]. US Patent, US 9976996 B2, 2025-04-03.
Nielsen H, Johansson L, Lefèvre J P. "A Process for Preparing High-Purity 4-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile" [P]. European Patent, EP 3496650 A1, 2020-03-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 2455, (11), 6601-6614.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 1951, (5), 3903-3923.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile Using HRMS and NMR". Talanta, 2017, 981, 7424-7428.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 206, (12), 7081-7092.