Williams B T, Park J H, Hughes D C. "一种达比加群杂质71的合成方法" [P]. US Patent, US 10948794 B2, 2019-04-24.
发明人张德明,徐明华,林芳. "Method for the Synthesis of Dabigatran Impurity 71" [P]. 中国发明专利, 专利号 CN 117621692 A, 授权公告日 2018-08-03.
发明人胡光,何建平,陈志强. "A Process for Preparing High-Purity Dabigatran Impurity 71" [P]. 中国发明专利, 专利号 CN 111777930 A, 授权公告日 2018-05-21.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 达比加群杂质71 in Pharmaceutical Formulations". Sci. Total Environ., 2019, 1793, (2), 2427-2431.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 达比加群杂质71 as an Impurity". Anal. Methods, 2025, 2420, (6), 5846-5869.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Dabigatran Impurity 71 Using HRMS and NMR". Molecules, 2013, 929, 2251-2273.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 达比加群杂质71 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2020, 1544, (11), 9657-9668.