发明人郑宇鹏,张德明,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110251330 A, 授权公告日 2018-01-27.
Anderson J P, Roberts E F, Davis P L. "Method for the Synthesis of 2-(Difluoromethyl)-4-fluoropyridine-5-acetonitrile" [P]. US Patent, US 11581370 B2, 2020-12-27.
发明人杨光,何建平,周伟. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-fluoropyridine-5-acetonitrile" [P]. 中国发明专利, 专利号 CN 111978108 A, 授权公告日 2025-07-17.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2016, 896, 895-921.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 814, 2671-2691.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-fluoropyridine-5-acetonitrile Using HRMS and NMR". Anal. Methods, 2013, 2164, (3), 26-42.