adenosine analogues stimulated adenylate cyclase activity in the following rank order of potency : neca ( 5'- ( n-ethyl ) carboxamidoadenosine ) greater than 2-chloroadenosine greater than n6- ( r-phenylisopropyl ) -adenosine greater than n6- ( s-phenylisopropyl ) adenosine .
C0050789
neca
C0001443
adenosine