conversely , the purine agonists , 1-n6-phenylisopropyladenosine , n6-cyclohexyladenosine , 2-chloroadenosine , and the adenosine antagonist 8-phenyltheophylline have no significant effect on [ 3h ] diazepam binding .
C0031484
phenylisopropyladenosine
C0001443
adenosine