The molecule is a nucleotide-sugar oxoanion that is the dianion of D-ribofuranosyl-ADP arising from deprotonation of the diphosphate OH groups; major species at pH 7.3. It is a conjugate base of a D-ribofuranosyl-ADP.
[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl] phosphate