There is provided pharmaceutically-acceptable acid addition salts of compounds of formula (I), wherein R1 represents C1-2 alkyl substituted by one or more fluoro substituents; R2 represents C1-2 alkyl; and n represents 0, 1 or 2, which salts are useful as prodrugs of competitive inhibitors of trypsin-like proteases, such as thrombin, and thus, in particular, in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
提供了公认的药用酸盐,其化合物的结构式为(I),其中R1代表被一个或多个
氟取代的C1-2烷基;R2代表C1-2烷基;n代表0、1或2。这些盐可用作胰
蛋白酶类竞争性
抑制剂的前药,如凝血酶,因此特别适用于需要抑制凝血酶的情况的治疗(例如血栓形成)或作为抗凝剂。