melagatran anticoagulant drug molecule (direct thrombin inhibitor). 3d rendering. atoms are represented as spheres with

melagatran melagatrane anticoagulant coagulation blood plasma clotting thrombosis antithrombotic thrombus clot direct thrombin inhibitor hydrogen carbon nitrogen oxygen sulfur disease drug therapy medicine medicinal pharmacology pharmacy pharmaceutical pharma treatment molecule atoms chemical chemistry composition atomic model molecular 3d rendering illustration