Anderson J P, Lee S K, O'Brien P Q. "Method for the Synthesis of 2-(Difluoromethyl)-6-iodo-4-methoxypyridine-3-acetic acid" [P]. US Patent, US 9305018 B2, 2021-01-07.
发明人林芳,冯建国,刘建华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-iodo-4-methoxypyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 109802059 B, 授权公告日 2022-04-10.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 1457, 6758-6774.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 1559, 8832-8845.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-6-iodo-4-methoxypyridine-3-acetic acid Using HRMS and NMR". Molecules, 2015, 1150, (1), 3429-3452.