warfarin anticoagulant drug molecule. used in thrombosis and thromboembolism prevention

warfarin warfarine anticoagulant coagulation thrombosis thromboembolism prevention blood clot plasma fibrin pesticide embolism vitamin k1 coumarin dicoumarol thrombus inr bleeding thinner rat poison mouse mice rodenticide rodent carbon hydrogen oxygen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula circle ring line drawing skeletal