Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: or a pharmaceutically acceptable salt thereof, e.g. where R3 is -CH2NH2, -CH2CH2NH2, or -CH2NHC(O)OC(CH3)3.
本发明的化合物具有以下结构,或其药学上可接受的盐,例如其中R3为-CH2NH2,-CH2CH2NH2或-CH2NHC(O)OC(
CH3)3,对于抑制凝血酶和相关的血栓闭塞非常有用。