8- (2- (6- [Biotinyl]aminohexanoyl)aminoethylthio)guanosine- 3', 5'- cyclic monophosphate ( 8-Biotin-11-cGMP / 8-[Biotin]-AET-cGMP ), sodium salt
N²- (6- (6-[Biotinyl]aminohexanoyl)aminohexyl)guanosine- 3', 5'- cyclic monophosphate, sodium salt ( 2-Biotin-14-cGMP / 2-[Biotin]-AH-cGMP )
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