| 摘要 |
<p>A fluorene compound, 4,4'-[9H-fluoren-9-ylidenebis(methylene)]bispyrimidine, or a pharmaceutically acceptable salt thereof, is useful in treating various neurological disorders in mammals. This compound has efficacy over a broad dosage range as measured by hypoxia induced cognition impairment and has a wide safety margin as measured by the ratio of cognition to the onset of overt symptoms.</p> |
