| abstract |
The present invention relates to a compound of the general formula [I] or a salt thereof or a prodrug thereof.n n n n n n n n In said formula, R < 1> , R < 2> , R < 3> is the same or different, and represents a hydrogen atom, a hydroxyl group, a lower alkyl group, or an aryl group, and R isn n n n n n n n orn n n n n n n n (Wherein each definition is as described in the specification).n n n The compounds of the present invention or salts thereof or prodrugs thereof are useful as factor Xa inhibitors, blood coagulation inhibitors, and also for the prevention and / or treatment of diseases caused by blood clotting or blood clots. |