The molecule is a nucleotide-sugar oxoanion obtained by deprotonation of the diphosphate OH groups of 2'-phospho-cyclic ADP-ribose. It derives from a cyclic ADP-ribose(2-). It is a conjugate base of a 2'-phospho-cyclic ADP-ribose.
[(2R,3R,4S,5R,13R,14R,15R,16R)-24-amino-3,4,14-trihydroxy-8,10-dioxido-8,10-dioxo-7,9,11,25,26-pentaoxa-17,19,22-triaza-1-azonia-8lambda5,10lambda5-diphosphapentacyclo[18.3.1.12,5.113,16.017,21]hexacosa-1(24),18,20,22-tetraen-15-yl] phosphate