E.i. Dupont De Nemours and Company

The Dupont Merck Pharmaceutical Company

Victor J DeNoble

John J Duncia

Richard A Earl

Pancras C Wong

Andrew T Chiu

Substituted imidazoles such as 2-butyl-4-chloro-1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-5-(hydroxy methyl)imidazole and 2-butyl-4-chloro-1-[(2'-carboxybiphenyl-4-yl)-methyl]-5-(hydroxymethyl)imi dazole and pharmaceutically acceptable salts thereof are useful for treating central nervous system disorders, such as cognitive and learning disorders, mediated by angiotensin II.

Treatment of central nervous system disorders with imidazole

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.

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Newark, DE, United States of America

Victor J DeNoble