Kowalski A, Johansson L, Björnsson E. "一种巴柳氮杂质1的合成方法" [P]. European Patent, EP 3169576 A1, 2015-11-17.
发明人张德明,赵玉洁,王建平. "Method for the Synthesis of Balsalazide Impurity 1" [P]. 中国发明专利, 专利号 CN 116743563 B, 授权公告日 2022-06-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 巴柳氮杂质1 in Pharmaceutical Formulations". J. Nat. Prod., 2010, 814, (9), 3798-3807.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 巴柳氮杂质1 as an Impurity". Sci. Total Environ., 2016, 1984, 2348-2354.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Balsalazide Impurity 1 Using HRMS and NMR". Anal. Chem., 2010, 1867, 4824-4844.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 巴柳氮杂质1 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 1835, 4963-4986.