among adenosine agonists , ( - ) -n- ( 1-methyl-2-phenylethyl ) adenosine ( l-phenylisopropyladenosine ; l-pia ) and n-cyclohexyladenosine ( cha ) , decreased rate and force at nanomolar concentrations , whereas 2-chloroadenosine , n , n-dimethyladenosine ( n6-dimethyladenosine ) and ( + ) -n- ( 1-methyl-2-phenylethyl ) adenosine ( d-phenylisopropyladenosine ; d-pia ) were less potent cardiac depressants .
C0000275
2-chloroadenosine
C0001443
adenosine