Yamamoto T, Stevens L M, Hughes D C. "Method for the Synthesis of 2-(Difluoromethyl)-4,6-dimethoxypyridine-3-acetic acid" [P]. US Patent, US 9165105 B2, 2018-08-17.
发明人朱建伟,唐晓军,赵玉洁. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4,6-dimethoxypyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 112272369 A, 授权公告日 2015-05-01.
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". Molecules, 2020, 190, (11), 4216-4230.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 2252, (8), 9817-9837.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4,6-dimethoxypyridine-3-acetic acid Using HRMS and NMR". Phytochemistry, 2019, 872, 5089-5101.