The molecule is a polynucleotide comprised of 2'-deoxycytidine units connected via 3'->5' phosphodiester linkages. It contains a 2'-deoxycytidine 5'-monophosphate residue, a dCMP 3'-end residue and a dCMP 5'-end residue.
[(2R,3S,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-[[(2R,3S,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methyl [(2R,3S,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-(phosphonooxymethyl)oxolan-3-yl] hydrogen phosphate