发明人林芳,周伟,黄志刚. "一种艾拉莫德杂质57的合成方法" [P]. 中国发明专利, 专利号 CN 108032121 A, 授权公告日 2018-09-21.
Kumar R, Patel M V, Williams B T. "Method for the Synthesis of Iguratimod Impurity 57" [P]. US Patent, US 11275444 B2, 2023-10-26.
Brown S R, Davis P L, Yamamoto T. "A Process for Preparing High-Purity Iguratimod Impurity 57" [P]. US Patent, US 10211389 B2, 2019-06-16.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 艾拉莫德杂质57 in Pharmaceutical Formulations". Anal. Methods, 2014, 936, 7010-7014.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 艾拉莫德杂质57 as an Impurity". Anal. Chem., 2019, 155, (3), 6807-6831.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Iguratimod Impurity 57 Using HRMS and NMR". J. Chromatogr. A, 2018, 2370, 6770-6777.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 艾拉莫德杂质57 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2023, 1887, (9), 5505-5512.