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Article Abstract
Fondaparinux, a synthetic pentasaccharide anticoagulant based on heparin antithrombin-binding domain, is derived from a chemical synthesis with more than 50 steps. Herein, we identified nine analogues separated from commercially available crude fondaparinux sodium, and tested their anticoagulant activity in vitro. Based on the activity results, the most active derivative Rrt1.17 was chemically synthesized. Biological properties in vitro and in vivo indicated that the well-defined derivative Rrt1.17 was a more efficient anticoagulant candidate compared with fondaparinux.
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