Mueller T C, Sørensen M, Kowalski A. "一种2,6-双(三氟甲基)烟酸的合成方法" [P]. European Patent, EP 3153302 A1, 2018-12-18.
Thompson G K, Chen K W, Stevens L M. "Method for the Synthesis of 2,6-Bis(trifluoromethyl)nicotinic acid" [P]. US Patent, US 11233646 B2, 2015-01-14.
Sørensen M, Nowak P, Jørgensen K. "A Process for Preparing High-Purity 2,6-Bis(trifluoromethyl)nicotinic acid" [P]. European Patent, EP 3065280 A1, 2024-10-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 2,6-双(三氟甲基)烟酸 in Pharmaceutical Formulations". Chemosphere, 2016, 2331, (11), 825-852.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2,6-双(三氟甲基)烟酸 as an Impurity". Anal. Methods, 2020, 2336, (7), 2666-2693.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-Bis(trifluoromethyl)nicotinic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 2370, 3714-3724.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 2,6-双(三氟甲基)烟酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 2421, (11), 5514-5522.