N4- (6- Aminohexyl)cytidine- 3', 5'- cyclic monophosphate; immobilized on agarose gel ( 4-AH-cCMP-Agarose )
5'- O- (6- Aminohexylcarbamoyl)adenosine- 2', 3'- cyclic monophosphate, immobilized on agarose gel
N6- (2- Aminoethyl)adenosine- 3', 5'- cyclic monophosphate, immobilized on agarose ( 6-AE-cAMP-Agarose )
N6- (6- Aminohexyl)adenosine- 3', 5'- cyclic monophosphate; immobilized on agarose gel ( 6-AH-cAMP-Agarose )