发明人陈志强,冯建国,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108832937 A, 授权公告日 2015-04-27.
Björnsson E, Mueller T C, Martínez F. "Method for the Synthesis of 4-(Difluoromethyl)-5-fluoro-6-nitropicolinic acid" [P]. European Patent, EP 3315742 A1, 2017-03-06.
发明人赵玉洁,王建平,唐晓军. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-fluoro-6-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 116653433 A, 授权公告日 2020-04-20.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 104, 2812-2830.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2011, 1806, 2587-2590.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-fluoro-6-nitropicolinic acid Using HRMS and NMR". Phytochemistry, 2017, 2105, (2), 8106-8118.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2010, 1613, (3), 2989-3007.