the effects of phenylephrine , isoprenaline and adenosine , ( - ) -n6-phenylisopropyladenosine ( pia ) or carbachol alone and in the presence of isoprenaline on force of contraction were studied in isolated electrically driven papillary muscles of spontaneously hypertensive rats ( shr ) and age-matched wistar control rats .
C0001443
adenosine
C0031484
phenylisopropyladenosine