申请人:MERCK & CO INC
公开号:WO2002057225A2
公开(公告)日:2002-07-25
Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: or a pharmaceutically acceptable salt thereof, wherein R?3 and R4¿ are independently selected from the group consisting ofhydrogen,-C(O)R5, where R5 is selected from the group consisting of OC(CH¿3?), OCH3, CH3, NHCH3, and OCH2R?6¿, where R6 is phenyl; C¿1-4?alkyl,C3-7cycloalkyl,-(CH2)1-2 R?7¿, where R7 is selected from the group consisting of C¿3-7?cycloalkyl and phenyl,-SO2R?8¿, where R8 is C¿1-4?alkyl.