Lefèvre J P, Martínez F, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3849295 A1, 2016-01-09.
发明人郭海燕,黄志刚,王建平. "Method for the Synthesis of Ethyl 2,2-difluoro-2-(5-methylpyridin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 111273765 A, 授权公告日 2017-09-26.
Roberts E F, O'Brien P Q, Johnson M A. "A Process for Preparing High-Purity Ethyl 2,2-difluoro-2-(5-methylpyridin-2-yl)acetate" [P]. US Patent, US 10983441 B2, 2023-06-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 609, (12), 5250-5278.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 1698, (3), 9732-9758.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2,2-difluoro-2-(5-methylpyridin-2-yl)acetate Using HRMS and NMR". Molecules, 2016, 1865, 1640-1663.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2025, 1729, (11), 9095-9106.