apixaban anticoagulant drug molecule direct fxa inhibitor.

apixaban anticoagulant drug molecule direct fxa inhibitor apixabane blood clotting xaban thrombosis bleeding antithrombotic factor xa tenase embolism stroke prevention deep vein coagulation prothrombin thrombin hydrogen carbon nitrogen oxygen atoms atomic model molecular compound composition chemical chemistry bond structure formula circle ring line drawing skeletal flat icon stylized style vector