Stevens L M, Patel M V, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10067357 B2, 2020-07-19.
发明人唐晓军,郑宇鹏,孙丽萍. "Method for the Synthesis of 4-Cyano-6-(difluoromethyl)-3-hydroxypyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111806328 B, 授权公告日 2022-12-10.
发明人何建平,王建平,杨光. "A Process for Preparing High-Purity 4-Cyano-6-(difluoromethyl)-3-hydroxypyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111123195 A, 授权公告日 2019-10-24.
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., 2021, 996, (10), 5050-5053.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 583, (3), 1897-1912.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-6-(difluoromethyl)-3-hydroxypyridine-2-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 779, 5621-5641.