β- (4- Azidophenyl)- 1, N²- etheno- 8- (2- (6- [biotinyl]aminohexanoyl)aminoethylthio)guanosine- 3', 5'- cyclic monophosphate ( 4-N₃-PET-8-Biotin-11-cGMP / 4-N₃-PET-8-[Biotin]-AET-cGMP ), sodium salt
8- (3- Butynylthio)guanosine- 3', 5'- cyclic monophosphate ( 8-Bu(3-yne)T-cGMP ), sodium salt
N², 2'- O- Dibutyrylguanosine- 3', 5'- cyclic monophosphate ( DB-cGMP / Dibutyryl-cGMP ), sodium salt
8- (2- [DY-547P1]- aminoethylthio)guanosine- 3', 5'- cyclic monophosphate ( 8-[DY-547P1]-AET-cGMP ), sodium salt