发明人孙丽萍,钱学锋,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117979643 A, 授权公告日 2015-01-05.
发明人郭海燕,马晓峰,郑宇鹏. "Method for the Synthesis of 2-(4,5-Dichloro-2-(difluoromethyl)pyridin-3-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 110933817 A, 授权公告日 2019-01-22.
Mueller T C, Lefèvre J P, Kowalski A. "A Process for Preparing High-Purity 2-(4,5-Dichloro-2-(difluoromethyl)pyridin-3-yl)acetonitrile" [P]. European Patent, EP 3362943 A1, 2016-03-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1957, 4240-4249.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 578, (7), 3336-3359.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,5-Dichloro-2-(difluoromethyl)pyridin-3-yl)acetonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 327, (7), 4062-4084.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1089, (7), 4814-4838.