the order of potency was as follows : adenosine greater than n6- ( l ) -phenylisopropyladenosine greater than n6- ( d ) -phenylisopropyladenosine greater than n6-cyclohexyl-adenosine greater than n6- ( 2,5-dioxo-3-pyrrolidinyl ) -adenosine greater than kinetine riboside greater than n6-methyladenosine .
C0031484
phenylisopropyladenosine
C0001443
adenosine