| 摘要 |
<p>Indeno AD1,2-b BDpyrrole derivatives represented by the general formula (I), wherein R1 represents hydrogen, lower alkyl or carbamoylmethyl, R2 represents halogen or trifluoromethyl, R3 represents hydrogen or halogen, and X represents O or S. They are useful as brain function-improving agents, antispasmodics, antiepileptics, tranquilizers, etc. </p> |
