5'-n-methylcarboxamidoadenosine ( meca ; ic50 0.81 mumol/l ) and 5'-n-carboxamidoadenosine ( nca ; ic50 2.1 mumol/l ) were less potent , whereas adenosine , 2-chloroadenosine and ( - ) n6-phenylisopropyladenosine [ ( - ) pia ] exhibit ic50-values of about 1.5 mumol/l .
C0001443
adenosine
C0031484
phenylisopropyladenosine