发明人高志强,刘建华,杨光. "Method for the Synthesis of 2-Amino-6-(difluoromethyl)-3-hydroxyisonicotinic acid" [P]. 中国发明专利, 专利号 CN 109485581 B, 授权公告日 2021-05-16.
发明人周伟,刘建华,郭海燕. "A Process for Preparing High-Purity 2-Amino-6-(difluoromethyl)-3-hydroxyisonicotinic acid" [P]. 中国发明专利, 专利号 CN 117593667 B, 授权公告日 2015-05-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 1733, 2124-2140.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2019, 2117, (6), 6396-6419.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-6-(difluoromethyl)-3-hydroxyisonicotinic acid Using HRMS and NMR". Talanta, 2011, 2070, (3), 2358-2368.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2013, 1315, (8), 8291-8298.