Park J H, Hughes D C, Roberts E F. "一种6-(4-Ethoxy-phenylsulfamoyl)-2-hydroxy-quinoline-4-carboxylic acid的合成方法" [P]. US Patent, US 9057022 B2, 2025-05-25.
Johnson M A, Davis P L, Hughes D C. "Method for the Synthesis of 6-(4-Ethoxy-phenylsulfamoyl)-2-hydroxy-quinoline-4-carboxylic acid" [P]. US Patent, US 11592827 B2, 2017-07-07.
发明人孙丽萍,朱建伟,张德明. "A Process for Preparing High-Purity 6-(4-Ethoxy-phenylsulfamoyl)-2-hydroxy-quinoline-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116755399 A, 授权公告日 2020-11-22.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 6-(4-Ethoxy-phenylsulfamoyl)-2-hydroxy-quinoline-4-carboxylic acid in Pharmaceutical Formulations". Chemosphere, 2012, 933, (8), 1512-1523.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-(4-Ethoxy-phenylsulfamoyl)-2-hydroxy-quinoline-4-carboxylic acid as an Impurity". J. Pharm. Biomed. Anal., 2022, 2471, (1), 2019-2038.