acute administration of n6 ( l-phenylisopropyl ) adenosine ( l-pia ; 0.01-0.178 mg/kg , s.c. ) , n6-cyclohexyladenosine ( cha ; 0.01-0.178 mg/kg , s.c. ) , 2-chloroadenosine ( 2-ca ; 0.32-0.56 mg/kg , s.c. ) , n6-cycloheptyladenosine ( chpa ; 0.032-1.0 mg/kg , s.c. ) , n6-phenyladenosine ( pa ; 0.1-1.0 mg/kg , s.c. ) , n6 ( d-phenylisopropyl ) adenosine ( d-pia ; 0.32-1.0 mg/kg , s.c. ) and n6-benzyladenosine ( ba ; 1.0-17.8 mg/kg , s.c. ) produced dose-related decreases in responding under a fixed-ratio ( fr ) schedule of food reinforcement .
C0000275
2-chloroadenosine
C0001443
adenosine