the adenosine analogues ( - ) -n6-phenylisopropyladenosine ( r-pia ) , 5'-n-ethylcarboxamideadenosine ( neca ) and ( + ) -n6-phenylisopropyladenosine ( s-pia ) in the presence of 0.01 mumol/l isoprenaline reduced contractile response concentration-dependently .
C0001443
adenosine
C0031484
phenylisopropyladenosine