β- Phenyl- 1, N²-ethenoguanosine- 3', 5'-cyclic monophosphate- [8- thiomethylamido- (PEG pd 2000)- amidomethylthio- 8]- β- phenyl- 1, N²-ethenoguanosine- 3', 5'-cyclic monophosphate ( PET-cGMP-8-TMAmd-(PEG pd 2000)-AmdMT-8-cGMP-PET ), sodium salt
β- Phenyl- 1, N²- ethenoguanosine- 3', 5'-cyclic monophosphate- [8- thiomethylamido- (octaethoxy)- ethylamidomethylthio- 8]- β- phenyl- 1, N²- ethenoguanosine- 3', 5'-cyclic monophosphate ( PET-cGMP-8-TMAmd-(EO)₈-EAmdMT-8-cGMP-PET ), sodium salt
8- Bromo- β- phenyl- 1, N²- ethenoguanosine- 3', 5'-cyclic monophosphate ( 8-Br-PET-cGMP ), sodium salt
8- Nitroguanosine- 3', 5'- cyclic monophosphate, sodium salt
N2- Methylguanosine- 3', 5'- cyclic monophosphate ( 2-Me-cGMP ), sodium salt
Guanosine- 2', 3'- cyclic monophosphorothioate, exo / Sp- isomer ( Sp-2',3'-cGMPS ), sodium salt
Guanosine- 2', 3'- cyclic monophosphorothioate, endo / Rp- isomer ( Rp-2',3'-cGMPS ), sodium salt