Roberts E F, Anderson J P, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11267389 B2, 2022-04-05.
发明人李文辉,林芳,孙丽萍. "Method for the Synthesis of 6-(Cyanomethyl)-3-(difluoromethyl)-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 110492741 A, 授权公告日 2024-11-22.
发明人李文辉,林芳,赵玉洁. "A Process for Preparing High-Purity 6-(Cyanomethyl)-3-(difluoromethyl)-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 115922018 A, 授权公告日 2020-09-16.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 563, (11), 4846-4875.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 235, 6324-6327.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Cyanomethyl)-3-(difluoromethyl)-5-methylpicolinonitrile Using HRMS and NMR". J. Agric. Food Chem., 2024, 141, (4), 9251-9276.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 1588, (5), 2615-2624.