
Keywords: guanosine 3 '، 5'-cyclic monophosphate; cAMP; adenosine 3â²,5â²-cyclic monophosphate; cGMP; guanosine 3â²,5â²-cyclic monophosphate; cCMP; cytidine 3â²,5â²-cyclic monophosphate; cNMP; 3â²,5â²-cyclic nucleoside monophosphate; cUMP; uridine 3â²,5â²-cyclic monophosphate; cTMP; thymidine 3