the effects of the adenosine agonists ( - ) -n6-phenylisopropyladenosine ( pia ) and 5'-n-ethylcarboxamideadenosine ( neca ) on force of contraction , adenylate cyclase activity and normal as well as slow action potentials were studied in guinea-pig isolated atrial ( left auricles ) and ventricular preparations ( papillary muscles ) .
C0001443
adenosine
C0031484
phenylisopropyladenosine