SMILES: C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)O[C@@H]3[C@H](O[C@H]([C@@H]3O)N4C=NC5=C4N=C(NC5=O)N)CO)O)O
Description: The molecule is a (3'->5')-dinucleotide composed from guanosine and cytidine units. It is a guanyl ribonucleotide and a (3'->5')-dinucleotide. It is a conjugate acid of a guanylyl-(3'->5')-cytidine(1-).