A novel carboxylic acid compound having a condensed ring; which is represented by the formula (I) ##STR1## wherein each symbol is as defined in the specification, a pharmacologically acceptable salt thereof, a pharmaceutical composition thereof and pharmaceutical use thereof. The novel carboxylic acid compound having a condensed ring and pharmacologically acceptable salt thereof of the present invention have superior GPIIb/IIIa antagonism in mammals inclusive of human; can be administered orally; have long life in blood and low toxicity; and show less side-effects. Accordingly, they are extremely useful for the prophylaxis and treatment of thrombotic diseases and other diseases.
一种具有紧缩环的新型
羧酸化合物;其代表式为(I)##STR1##其中每个符号如规范中所定义,其药理学上可接受的盐,其制药组合物以及其制药用途。本发明的具有紧缩环的新型
羧酸化合物和其药理学上可接受的盐在哺乳动物中包括人类具有优越的G
PIIb/IIIa拮抗作用;可以口服;在血液中寿命长且毒性低;并且显示出较少的副作用。因此,它们非常有用于预防和治疗血栓性疾病和其他疾病。