4,4' [9H-FLUOREN-9-YLIDENEBIS (METHYLENE)]-BISPYRIMIDINE FOR TREATING NEUROLOGICAL DISORDERS

摘要

2073694 9110433 PCTABS00006 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.