Nielsen H, Mueller T C, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3776769 A1, 2025-08-25.
发明人胡光,朱建伟,何建平. "Method for the Synthesis of 3-(Difluoromethyl)-4-fluoro-6-(hydroxymethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 115923447 A, 授权公告日 2021-07-18.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1014, (4), 1210-1224.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 1232, 995-1016.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-4-fluoro-6-(hydroxymethyl)picolinonitrile Using HRMS and NMR". Chromatographia, 2010, 1675, (3), 9467-9470.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 526, (3), 5095-5116.