发明人赵玉洁,郭海燕,钱学锋. "Method for the Synthesis of 2-(Difluoromethyl)-5-fluoro-3-methoxypyridine-4-acetonitrile" [P]. 中国发明专利, 专利号 CN 117011637 A, 授权公告日 2017-03-07.
发明人朱建伟,何建平,郭海燕. "A Process for Preparing High-Purity 2-(Difluoromethyl)-5-fluoro-3-methoxypyridine-4-acetonitrile" [P]. 中国发明专利, 专利号 CN 114418341 A, 授权公告日 2024-08-23.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 1446, (2), 3134-3137.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 252, 2398-2404.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-5-fluoro-3-methoxypyridine-4-acetonitrile Using HRMS and NMR". Biomed. Chromatogr., 2018, 720, (9), 2571-2594.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 961, 3699-3707.