Johansson L, Lefèvre J P, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3874051 A1, 2022-09-19.
发明人钱学锋,朱建伟,孙丽萍. "Method for the Synthesis of 1H,1'H-[2,2'-Biimidazole]-4,4',5,5'-tetraamine" [P]. 中国发明专利, 专利号 CN 108415431 A, 授权公告日 2021-09-16.
发明人何建平,罗永刚,刘建华. "A Process for Preparing High-Purity 1H,1'H-[2,2'-Biimidazole]-4,4',5,5'-tetraamine" [P]. 中国发明专利, 专利号 CN 109042338 B, 授权公告日 2015-03-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 583, 4151-4175.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2011, 2315, 8070-8078.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1H,1'H-[2,2'-Biimidazole]-4,4',5,5'-tetraamine Using HRMS and NMR". Molecules, 2013, 1655, (3), 4076-4083.