we have characterized the effects of adenosine , the a1-receptor agonist n6- ( l-2-phenylisopropyl ) -adenosine ( pia ) and the a2-receptor agonist 5'- ( n-ethyl ) -carboxamido-adenosine ( neca ) , in isolated human pulmonary vessels .
C0001443
adenosine
C0050789
neca