Roberts E F, Stevens L M, Williams B T. "Method for the Synthesis of 2-(6-Amino-3-chloro-5-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. US Patent, US 11721780 B2, 2023-06-28.
发明人朱建伟,孙丽萍,赵玉洁. "A Process for Preparing High-Purity 2-(6-Amino-3-chloro-5-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110572276 B, 授权公告日 2022-12-04.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2017, 1298, 8231-8244.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 778, (10), 2222-2233.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(6-Amino-3-chloro-5-(difluoromethyl)pyridin-2-yl)acetic acid Using HRMS and NMR". Phytochemistry, 2024, 1770, (11), 1372-1375.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2016, 896, (3), 5919-5933.