| abstract |
There is provided compounds of formula I, n n n wherein R 1 , R 2 , R 3 , R x , Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants. |