the rank order of potency for inhibition of [ 3h ] neca binding was neca much greater than 2-chloroadenosine greater than n6- [ ( r ) -1-methyl-2-phenyl-ethyl ] adenosine ( r-pia ) greater than n6-cyclohexyladenosine greater than s-pia , indicating that binding was to an a2 adenosine receptor .
C0050789
neca
C0001443
adenosine