Williams B T, Brown S R, Roberts E F. "一种的合成方法" [P]. US Patent, US 10251290 B2, 2019-12-12.
发明人李文辉,马晓峰,罗永刚. "Method for the Synthesis of 2-(4-Chloro-3-(difluoromethyl)-5-hydroxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110693136 A, 授权公告日 2015-09-26.
发明人郑宇鹏,冯建国,李文辉. "A Process for Preparing High-Purity 2-(4-Chloro-3-(difluoromethyl)-5-hydroxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114888509 B, 授权公告日 2025-02-13.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 914, (10), 7362-7374.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 1972, 1180-1188.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Chloro-3-(difluoromethyl)-5-hydroxypyridin-2-yl)acetic acid Using HRMS and NMR". Anal. Chem., 2012, 1490, 73-87.