Klinger H, Chen K W, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10046832 B2, 2015-12-13.
发明人徐明华,胡光,罗永刚. "Method for the Synthesis of 2-(4-Bromo-5-cyano-3-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114686681 B, 授权公告日 2017-12-11.
发明人冯建国,何建平,韩伟. "A Process for Preparing High-Purity 2-(4-Bromo-5-cyano-3-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113940429 A, 授权公告日 2018-05-16.
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". Chemosphere, 2017, 1109, 4605-4622.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 338, (4), 3110-3120.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Bromo-5-cyano-3-(difluoromethyl)pyridin-2-yl)acetic acid Using HRMS and NMR". Anal. Chem., 2014, 92, (8), 3106-3132.