the effects of a novel purine derivative , n6- [ 2- ( 4-chlorophenyl ) -bicyclo-2.2.2.octyl- ( 3 ) ] -adenosine ( emd 28422 ) , that has been found to influence central benzodiazepine receptors , has been compared to those of other adenosine analogues such as l-phenylisopropyladenosine ( l-pia ) , cyclohexyladenosine ( cha ) and adenosine-5'-n-ethyl-carboxamide ( neca ) .
C0001443
adenosine
C0031484
l-phenylisopropyladenosine