SMILES: C1=NC(=C2C(=N1)N(C=N2)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)([O-])[O-])OP(=O)([O-])OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=NC6=C5N=C(NC6=O)N)O)O)O)N
Description: The molecule is a dinucleotide comprising adenosine and guanosine connected by a 3'->5 linkage and with a phosphoric group at the 5'-terminus; major species at pH 7.3.