SMILES: C1[C@@H]2[C@H]([C@H]([C@@H](O2)N3C=NC4=CN=CN=C43)O)OP(=O)(O1)O
Description: The molecule is a nucleoside 3',5'-cyclic phosphate that is 3',5'-cyclic AMP in which the exocyclic amino group on the purine fragment is replaced by hydrogen It is a 3',5'-cyclic purine nucleotide and a nucleoside 3',5'-cyclic phosphate.