The molecule is a nucleotide-sugar oxoanion arising from deprotonation of the carboxy and diphosphate groups of 2''-O-succinyl-ADP-D-ribose; major species at pH 7.3. It is a conjugate base of a 2''-O-succinyl-ADP-D-ribose.
4-[(3R,4R,5R)-5-[[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl]oxymethyl]-2,4-dihydroxyoxolan-3-yl]oxy-4-oxobutanoate