all four adenosine receptor agonists , r-phenylisopropyladenosine ( r-pia ) , s-phenylisopropyladenosine ( s-pia ) , n-ethylcarboxamide adenosine ( neca ) , and 2-chloroadenosine ( cado ) significantly decreased gastric acid output in a dose-dependent manner .
C2917194
adenosine receptor agonists
C0001443
adenosine