Patent 7396844 was granted and assigned to AJINOMOTO CO., INC. on July, 2008 by the United States Patent and Trademark Office.
Benzamidine derivatives of the following formulae or analogs thereof, i.e., pharmaceutically acceptable salts thereof, are provided. These compounds or salts thereof have a blood-coagulation inhibiting effect based on an excellent effect of inhibiting the action of activated blood coagulation factor X, and they are useful as anticoagulants