8- Azidoguanosine- 3', 5'- cyclic monophosphate ( 8-N₃-cGMP ), sodium salt
8- (2- [DY-547P1]- aminoethylthio)guanosine- 3', 5'- cyclic monophosphate ( 8-[DY-547P1]-AET-cGMP ), sodium salt
Guanosine- 3', 5'- cyclic monophosphate- [8- thio- (pentaethoxy)- ethylthio- 8]- guanosine- 3', 5'- cyclic monophosphate ( cGMP-8-T-(EO)₅-ET-8-cGMP ), sodium salt
Guanosine- 3', 5'- cyclic monophosphate- [8- thiomethylamido- (PEG pd 2000)- amidomethylthio- 8]- guanosine- 3', 5'- cyclic monophosphate ( cGMP-8-TMAmd-(PEG pd 2000)-AmdMT-8-cGMP ), sodium salt
N², 2'- O- Dibutyrylguanosine- 3', 5'- cyclic monophosphate ( DB-cGMP / Dibutyryl-cGMP ), sodium salt