Björnsson E, Martínez F, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3040275 A1, 2018-03-03.
发明人高志强,周伟,胡光. "Method for the Synthesis of 4-(Difluoromethyl)-6-hydroxy-5-(trifluoromethyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 110707600 A, 授权公告日 2023-02-06.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 2271, 1412-1425.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 373, 3552-3569.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-6-hydroxy-5-(trifluoromethyl)nicotinic acid Using HRMS and NMR". Anal. Methods, 2021, 1825, (1), 5903-5907.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1639, (5), 8094-8097.