SMILES: C1[C@@H]2[C@H]([C@H]([C@@H](O2)N3C=NC4=C3N=CN(C4=N)[C@H]5[C@@H]([C@@H]([C@H](O5)COP(=O)(OP(=O)(O1)O)O)O)O)O)O
Description: The molecule is a cyclic purine nucleotide that is synthesised from NAD+ by ADP-ribosyl cyclase; acts as an agonist at ryanodine receptors. It has a role as a ryanodine receptor agonist and a metabolite. It is a cyclic purine nucleotide and a nucleotide-sugar. It derives from an ADP-D-ribose. It is a conjugate acid of a cyclic ADP-ribose(2-).