Sørensen M, Lefèvre J P, Mueller T C. "Method for the Synthesis of 2-(Chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-4-carboxaldehyde" [P]. European Patent, EP 3321423 A1, 2019-10-14.
Mueller T C, Jørgensen K, Lefèvre J P. "A Process for Preparing High-Purity 2-(Chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-4-carboxaldehyde" [P]. European Patent, EP 3694879 A1, 2016-08-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 1366, (12), 8164-8174.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 893, 8797-8812.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Chloromethyl)-3-cyano-6-(difluoromethyl)pyridine-4-carboxaldehyde Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1676, (5), 9401-9407.