Novel compounds having strong TXA.sub.2 receptor antagonist activities and PGI.sub.2 receptor agonist activities, which are effective for therapy and prevention of diseases related to TXA.sub.2, are disclosed. The compound of the present invention is represented by the following formula (I). ##STR1## (wherein the meanings of the symbols in the formula are as described in the specification).
揭示了具有强大TXA.sub.2受体拮抗活性和
PGI.sub.2受体激动活性的新化合物,对于治疗和预防与TXA.sub.2相关的疾病有效。本发明的化合物由以下公式(I)表示。##STR1##(其中,公式中符号的含义如规范中描述)。