the structure activity profile ( n6-d-phenylisopropyladenosine greater than or equal to n6-l-phenylisopropyladenosine greater than or equal to 2-chloroadenosine greater than n6-cyclohexyladenosine , adenosine 5'-cyclopropylcarboxamide ) is not that expected of either a1 ( high-affinity ) or a2 ( low-affinity ) adenosine receptors .
C0031484
phenylisopropyladenosine
C0001443
adenosine