The molecule is an oligonucleotide comprised of five adenosine residues connected by 2'->5' phosphodiester linkages and with a triphosphate group at the 5' terminus.
[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-4-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate