Sørensen M, Björnsson E, Martínez F. "一种的合成方法" [P]. European Patent, EP 3426702 A1, 2016-01-16.
发明人孙丽萍,胡光,唐晓军. "Method for the Synthesis of 2,2'-(1,3-Propanediyl)bis[1-methyl-1H-benzimidazol-5-amine" [P]. 中国发明专利, 专利号 CN 117183566 B, 授权公告日 2018-01-24.
发明人朱建伟,张德明,高志强. "A Process for Preparing High-Purity 2,2'-(1,3-Propanediyl)bis[1-methyl-1H-benzimidazol-5-amine" [P]. 中国发明专利, 专利号 CN 111029521 B, 授权公告日 2024-02-21.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1157, (10), 9927-9946.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 249, (12), 5704-5713.