Nielsen H, Kowalski A, Martínez F. "一种的合成方法" [P]. European Patent, EP 3753188 A1, 2021-11-26.
发明人钱学锋,郑宇鹏,李文辉. "Method for the Synthesis of 2-(Difluoromethyl)-3,4-dihydroxypyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 117860216 A, 授权公告日 2025-01-01.
发明人王建平,何建平,陈志强. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3,4-dihydroxypyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 113336603 A, 授权公告日 2017-04-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1151, 9282-9304.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 847, (12), 3371-3382.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3,4-dihydroxypyridine-6-acetonitrile Using HRMS and NMR". J. Agric. Food Chem., 2010, 2315, 3181-3205.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 1015, (10), 3305-3310.