N6- (6- Aminohexyl)adenosine- 3', 5'- cyclic monophosphate; immobilized on agarose gel ( 6-AH-cAMP-Agarose )
N6- (6- Aminohexyl)adenosine- 3', 5'- cyclic monophosphorothioate, Sp- isomer ( Sp-6-AH-cAMPS )
N6- (2- Aminoethyl)adenosine- 3', 5'- cyclic monophosphorothioate, Sp- isomer ( Sp-6-AE-cAMPS )