Björnsson E, Mueller T C, Martínez F. "一种的合成方法" [P]. European Patent, EP 3788941 A1, 2025-01-10.
发明人王建平,唐晓军,陈志强. "Method for the Synthesis of 6-(Difluoromethyl)-5-fluoronicotinonitrile" [P]. 中国发明专利, 专利号 CN 112024330 B, 授权公告日 2021-12-12.
发明人马晓峰,赵玉洁,朱建伟. "A Process for Preparing High-Purity 6-(Difluoromethyl)-5-fluoronicotinonitrile" [P]. 中国发明专利, 专利号 CN 116891204 B, 授权公告日 2022-02-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1861, 7321-7349.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1992, (12), 7081-7098.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethyl)-5-fluoronicotinonitrile Using HRMS and NMR". Molecules, 2017, 236, 9649-9664.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2017, 1867, (2), 8585-8599.