SMILES: C([C@@H]1[C@@]2([C@H]([C@@H](O1)N3[C@@H]2NC4=C3N=C(NC4=O)N)O)O)OP(=O)(O)OP(=O)(O)OP(=O)(O)O
Description: The molecule is a cyclic purine nucleotide obtained by formation of a bond between positions 3' and 8 of guanosine 5'-triphosphate. It is a conjugate acid of an (8S)-3',8-cyclo-7,8-dihydroguanosine 5'-triphosphate(4-).