Johansson L, Kowalski A, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3420340 A1, 2023-01-12.
Sørensen M, Björnsson E, Kowalski A. "Method for the Synthesis of 2-(4-Cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridin-2-yl)acetic acid" [P]. European Patent, EP 3260305 A1, 2016-04-02.
发明人马晓峰,孙丽萍,王建平. "A Process for Preparing High-Purity 2-(4-Cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113108120 B, 授权公告日 2025-11-13.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 858, (7), 1846-1861.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 532, (9), 1720-1726.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Cyano-3-(difluoromethyl)-6-(trifluoromethyl)pyridin-2-yl)acetic acid Using HRMS and NMR". J. Chromatogr. A, 2010, 1240, 8962-8969.