Thompson G K, Davis P L, Park J H. "Method for the Synthesis of 3-Chloro-2-(difluoro(1-(4-nitrophenyl)-1H-1,2,4-triazol-5-yl)methyl)-5-(trifluoromethyl)pyridine" [P]. US Patent, US 11790177 B2, 2022-04-01.
Johansson L, Rossi M, Martínez F. "A Process for Preparing High-Purity 3-Chloro-2-(difluoro(1-(4-nitrophenyl)-1H-1,2,4-triazol-5-yl)methyl)-5-(trifluoromethyl)pyridine" [P]. European Patent, EP 3491002 A1, 2023-06-13.
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". Sci. Total Environ., 2012, 2136, (7), 7406-7423.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 1234, (4), 3677-3687.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-2-(difluoro(1-(4-nitrophenyl)-1H-1,2,4-triazol-5-yl)methyl)-5-(trifluoromethyl)pyridine Using HRMS and NMR". Biomed. Chromatogr., 2014, 248, (3), 7902-7917.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 619, (11), 5288-5306.