The present invention provides a compound of formula (I) in which R<SUP>1 </SUP>is generally hydrogen or CF<SUB>3</SUB>, R<SUP>2 </SUP>is generally hydrogen, W is a cyclic amine, a heterocycle or a group L-Y-X where L-Y is a linking portion and X is generally an aromatic or non-aromatic heterocycle, alkyl or alkylcarbonyl and Z is generally a heterocycle such as 5-methylisoxazol-3-yl, and pharmaceutically acceptable salts thereof for enhancing cognition in conditions such as Alzheimer's Disease, pharmaceutical compositions comprising them, their use for manufacturing medicaments and methods of treatment using them
Substituted 1,2,3-triazolo[1,5-a]quinazolines for enhancing cognition