| 摘要 |
A compound of general formula (I) and optionally a pharmaceutically acceptable salt thereof if it can form any salt, a process for the production thereof, and a medicinal composition containing the same as the active ingredient. These compounds have potent antithrombotic, cardiotonic, vasodilatory and anti-SRS-A activities, so that they are useful for preventing or treating various thrombotic diseases, congestive failure, hypertension, asthma, immediate allergy and so forth. |
