N6- Phenyladenosine- 3', 5'- cyclic monophosphorothioate, Sp- isomer ( Sp-6-Phe-cAMPS ), sodium salt
N6- Benzoyladenosine- 3', 5'- cyclic monophosphorothioate, Sp- isomer ( Sp-6-Bnz-cAMPS ), sodium salt
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 )