adenosine agonists , n6-cyclohexyladenosine ( cha ) , n6-cyclopentyladenosine ( cpa ) , n6-phenylisopropyladenosine ( pia ) , 5'-n-ethylcarboxamidoadenosine ( neca ) , 5'-n-methylcarboxamidoadenosine ( meca ) and 2-chloroadenosine ( cado ) , produced a dose-related inhibition of acetylcholine ( ach ) -induced writhing in mice .
C0001443
adenosine
C0000275
2-chloroadenosine