Chen K W, O'Brien P Q, Anderson J P. "Method for the Synthesis of Mesalazine Impurity 43" [P]. US Patent, US 11640686 B2, 2018-09-04.
发明人李文辉,张德明,周伟. "A Process for Preparing High-Purity Mesalazine Impurity 43" [P]. 中国发明专利, 专利号 CN 108228381 B, 授权公告日 2017-09-21.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 美沙拉秦杂质43 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 891, (3), 9210-9235.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 美沙拉秦杂质43 as an Impurity". J. Nat. Prod., 2011, 348, (5), 4887-4890.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Mesalazine Impurity 43 Using HRMS and NMR". Talanta, 2011, 1854, (7), 8620-8629.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 美沙拉秦杂质43 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2013, 944, (1), 9430-9439.