SEARCH Articles Figures Tables 3 ,5 -cyclic guanosine monophosphate 3 ,5 -cyclic guanosine monophosphate 3 ,5 -cGMP) CGMP (cyclic guanosine Cyclic guanosine 3 ,5 -monophosphate second messenger Guanosin Guanosine Guanosine 2 , 3 -cyclic phosphate Guanosine 3 ,5 -cyclic monophosphate sodium Guanosine 3’,5’-cyclic monophosphate structure Guanosine, 3 ,5 -cyclic phosphate, hydrolysis Nitric oxide dependent cyclic guanosine