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
Guanosine- 2', 3'- cyclic monophosphorothioate, endo / Rp- isomer ( Rp-2',3'-cGMPS ), sodium salt