The invention relates to a benzoic acid salt of methyl (2R,3R)-2-{3-[amino (imino) methyl]benzyl}-3-{[4-(1 -oxidopyridin-4- yl)benzoyl]amino}butanoate, and to a benzoic acid salt of methyl (2R,3R)-2-{3-[amino(imino)methyl]benzyl}-3-{[4-(1 -oxidopyridin- 4- yl)benzoyl]amino}butanoate which is in a crystalline form or in at least partially crystalline form, as well as a process for the preparation of the same, methods of using such salt to treat subjects suffering from conditions which can be ameliorated by the administration of an inhibitor of Factor Xa.
