N6- Benzyladenosine- 3', 5'- cyclic monophosphate ( 6-Bn-cAMP ), sodium salt
N6- Benzoyl- 8- piperidinoadenosine- 3', 5'- cyclic monophosphate ( 6-Bnz-8-PIP-cAMP ), sodium salt
8- (4- Chlorophenylthio)- N6- phenyladenosine- 3', 5'- cyclic monophosphate ( 8-CPT-6-Phe-cAMP ), sodium salt