dose dependent changes in heart rate ( hr ) and coronary resistance ( cr ) were determined for adenosine , 5'-n-ethylcarboxamide adenosine ( neca ) and l-n6-phenylisopropyladenosine ( l-pia ) over a dose range of 1 x 10 ( -9 ) to 1 x 10 ( -5 ) m .
C0001443
adenosine
C0031484
l