Lee S K, Kumar R, Chen K W. "Method for the Synthesis of 2-(4-(Difluoromethyl)-3-fluoro-5-nitropyridin-2-yl)acetonitrile" [P]. US Patent, US 9144631 B2, 2020-09-13.
Thompson G K, Roberts E F, Anderson J P. "A Process for Preparing High-Purity 2-(4-(Difluoromethyl)-3-fluoro-5-nitropyridin-2-yl)acetonitrile" [P]. US Patent, US 11141804 B2, 2019-06-14.
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". Molecules, 2019, 446, 3463-3491.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 1146, (10), 5812-5831.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-(Difluoromethyl)-3-fluoro-5-nitropyridin-2-yl)acetonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 1342, (9), 4477-4482.