| abstract |
A method of inhibiting thrombin and its attending diseases and conditions comprising administering to a human in need of treatment an effective amount of a compound having the formula <IMAGE> (I) wherein R1 and R3 are independently hydrogen, <IMAGE> wherein Ar is optionally substituted phenyl; R2 is selected from the group consisting of pyrrolidino, hexamethyleneamino, and piperidino; or a pharmaceutically acceptable salt of solvate thereof. |