the effects of adenosine ( ado ) and of the adenosine analogues 5'-n-ethylcarboxamideadenosine ( neca ) , 2-chloroadenosine ( 2-cado ) , l- and d-phenylisopropyladenosine ( l- and d-pia ) and n6-cyclohexyladenosine ( cha ) were compared on the contractile response of the isolated rat portal vein to perivascular adrenergic nerve stimulation .
C0001443
adenosine
C0031484
l