adenosine appears to act on the cell surface since 1 ) 2-chloroadenosine , a poorly metabolized adenosine analogue , was as active as adenosine and 2 ) dipyridamole , which markedly inhibited [ 3h ] -adenosine uptake by human lymphocytes , did not affect adenosine-induced accumulation of camp .
C0000275
2-chloroadenosine
C0001443
adenosine