n6- [ 3- ( trimethylammonio ) propyl ] adenosine was a weak stimulator of adenylate cyclase , and 3'-amino-3'-deoxyadenosine and 3'-monomethylamino-3'-deoxyadenosine antagonized the stimulation of adenylate cyclase by 2-chloroadenosine .
C0001443
adenosine
C0000275
2-chloroadenosine