Rossi M, Nowak P, Johansson L. "Method for the Synthesis of 6-(Difluoromethyl)-5-methoxypyridin-3-amine" [P]. European Patent, EP 3860210 A1, 2020-01-08.
Anderson J P, Patel M V, Stevens L M. "A Process for Preparing High-Purity 6-(Difluoromethyl)-5-methoxypyridin-3-amine" [P]. US Patent, US 10049053 B2, 2022-08-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 745, (8), 3394-3416.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 1127, 3349-3376.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethyl)-5-methoxypyridin-3-amine Using HRMS and NMR". Food Chem., 2012, 731, 7356-7385.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 478, (1), 7617-7642.