Fischer A B, Schröder R, Anderson J P. "一种美沙拉秦EP杂质N的合成方法" [P]. US Patent, US 11295643 B2, 2018-06-05.
发明人韩伟,张德明,李文辉. "Method for the Synthesis of Mesalazine EP Impurity N" [P]. 中国发明专利, 专利号 CN 108137896 A, 授权公告日 2022-02-04.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 美沙拉秦EP杂质N in Pharmaceutical Formulations". Chemosphere, 2011, 1007, (12), 1261-1287.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 美沙拉秦EP杂质N as an Impurity". J. Chromatogr. A, 2011, 914, 2121-2125.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Mesalazine EP Impurity N Using HRMS and NMR". Anal. Chim. Acta, 2023, 946, (2), 5736-5761.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 美沙拉秦EP杂质N Profile in Drug Substances According to ICH Guidelines". Talanta, 2010, 2283, 3146-3175.