发明人杨光,郑宇鹏,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110098590 A, 授权公告日 2016-12-12.
发明人胡光,林芳,孙丽萍. "Method for the Synthesis of 2-Chloro-4-(difluoromethyl)-5-hydroxynicotinonitrile" [P]. 中国发明专利, 专利号 CN 111340331 B, 授权公告日 2016-09-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 2021, 724-734.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 1478, 5735-5760.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-4-(difluoromethyl)-5-hydroxynicotinonitrile Using HRMS and NMR". J. Sep. Sci., 2019, 479, (4), 507-511.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 385, (4), 9870-9891.