| abstract |
The invention provides new compounds of the general formula (II) where L and L ', M and M', Y and Y 'are as defined in the claims, and their pharmaceutically acceptable salts. These compounds are piperazine derivatives, reversing the action of anticoagulants. Methods for the preparation of these compounds, pharmaceutical compositions containing these compounds, methods of using these compounds for reversing the anticoagulant action of coagulation inhibitors, as well as a diagnostic kit including these compounds are also proposed. |