Mueller T C, Lefèvre J P, Nowak P. "Method for the Synthesis of 3-(Difluoromethoxy)pyridine-2-carboxylic acid" [P]. European Patent, EP 3850628 A1, 2024-03-14.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 1064, (5), 3177-3197.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 1876, (12), 6075-6104.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethoxy)pyridine-2-carboxylic acid Using HRMS and NMR". Talanta, 2013, 1527, (6), 7306-7331.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2024, 1067, 2625-2650.