Nowak P, Jørgensen K, Björnsson E. "Method for the Synthesis of 2-Chloro-4-(chloromethyl)-5-(difluoromethyl)nicotinaldehyde" [P]. European Patent, EP 3276706 A1, 2024-07-09.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 212, (3), 5379-5382.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 1796, 2116-2137.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-4-(chloromethyl)-5-(difluoromethyl)nicotinaldehyde Using HRMS and NMR". Anal. Methods, 2025, 704, 5507-5527.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 1248, 781-786.