Björnsson E, Nielsen H, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3276134 A1, 2018-07-08.
Brown S R, Williams B T, Roberts E F. "Method for the Synthesis of 2-(Difluoromethyl)-5-methyl-3-nitropyridine-4-carbonyl chloride" [P]. US Patent, US 9092704 B2, 2016-02-26.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 1962, 1082-1085.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 1526, (5), 6534-6552.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-5-methyl-3-nitropyridine-4-carbonyl chloride Using HRMS and NMR". J. Sep. Sci., 2019, 232, (12), 4060-4084.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1525, 3722-3735.