A substituted-amidinobenzene derivative of the following general formula (I) or a salt thereof, and a pharmaceutical composition comprising said derivative or a salt thereof and a pharmaceutically acceptable carrier. ##STR1## (the symbols in the above formula have the following meanings: R.sup.1 : a group which can be converted into an amidino group in vivo; R.sup.2 and R.sup.3 : the same or different and each represents a carboxyl group or a group which can be converted into a carboxyl group in vivo; X.sup.1 and X.sup.2 : the same or different and each represents a lower alkylene group; m: 0, 1 or 2; n: 0 or 1, provided that n=1 when m=0. They have GPIIb/IIIa receptor antagonizing activity and are useful as medicines for ameliorating ischemic cardiac disorders, adminicula in cardiosurgery operations or in vascular surgery operations, medicines for ameliorating cerebrovascular disorders, And medicines for ameliorating peripheral artery disorders. In addition, they are useful as a prodrug excellent in peroral absorbability and sustainment of the effect.
以下是一种取代的苯甲酰胺衍
生物的一般式(I)或其盐,以及包含该衍
生物或其盐和药学上可接受的载体的制药组合物。
(上述公式中的符号具有以下含义:R1:可在体内转化为
氨基甲酰基的基团;R2和R3:相同或不同,各代表羧基或可在体内转化为羧基的基团;X1和X2:相同或不同,各代表较低的烷基链;m:0、1或2;n:0或1,当m=0时,n=1。它们具有G
PIIb/IIIa受体拮抗活性,可用作改善缺血性心脏疾病、心脏手术或血管手术的辅助药物、改善脑血管疾病的药物,以及改善外周动脉疾病的药物。此外,它们还可用作优异的口服吸收和效果持续的前药。