the administration of a stable adenosine analogue , l-n6-phenylisopropyladenosine ( l-pia , 0.3 mg/kg i. p. ) , caused a decrease in the accumulation of l-dopa in the rat hippocampus after blockade of aromatic amino acid decarboxylase by nsd 1015 ( 150 mg/kg ) .
C0001443
adenosine
C0031484
l