Johansson L, Björnsson E, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3666478 A1, 2022-01-20.
Roberts E F, Williams B T, Stevens L M. "Method for the Synthesis of 4-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)nicotinic acid" [P]. US Patent, US 9770306 B2, 2021-04-17.
Park J H, Stevens L M, Hughes D C. "A Process for Preparing High-Purity 4-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)nicotinic acid" [P]. US Patent, US 9762197 B2, 2018-06-09.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2012, 1757, (9), 7236-7262.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 1694, (6), 5510-5536.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethyl)nicotinic acid Using HRMS and NMR". Anal. Chem., 2021, 2050, (3), 9265-9294.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 848, (10), 5737-5748.