| 摘要 |
<p>An imidazoquinazoline derivative represented by formula (I) or a pharmacologically acceptable salt thereof, wherein R1 andR2 may be the same or different from each other and each represents hydrogen, lower alkyl, lower alkenyl, aryl, etc.; R3 represents hydrogen, lower alkyl, cycloalkyl, lower alkenyl, aryl, etc.; and X represents O or S. This compound has a potent and selective cCMP-specific PDE inhibitor activity and is useful for treating or mitigating cardiovascular diseases such as thrombosis, angina pectoris, hypertension and arteriosclerosis, asthma, and so forth.</p> |
