N6- (6- [N- Methylanthraniloyl]hexylamino)adenosine-3', 5'-monophosphate ( 6-MAH-cAMP ), sodium salt
N6- Mono- t. butylcarbamoyladenosine- 3', 5'- cyclic monophosphate, sodium salt (6-MBC-cAMP)
N6- Phenyladenosine- 3', 5'- cyclic monophosphate ( 6-Phe-cAMP ), sodium salt
8- (4- Chlorophenylthio)- N6- phenyladenosine- 3', 5'- cyclic monophosphate ( 8-CPT-6-Phe-cAMP ), sodium salt