SMILES: C1=NC2=C(N1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)([O-])OP(=O)([O-])[O-])OP(=O)([O-])OP(=O)([O-])[O-])O)N=C(NC2=O)N
Description: The molecule is an organophosphate oxoanion arising from deprotonation of the six diphosphate OH groups of guanosine 3',5'-bis(diphosphate); major species at pH 7.3. It is a conjugate base of a guanosine 3',5'-bis(diphosphate) and a guanosine 3',5'-bis(diphosphate)(5-).