The molecule is a ribose bisphosphate that consists of D-ribose having two monophosphate groups at the 1- and 5-positions. It derives from a D-ribose. It is a conjugate acid of a D-ribose 1,5-bisphosphate(4-).
[(3R,4S,5R)-3,4-dihydroxy-5-(phosphonooxymethyl)oxolan-2-yl] dihydrogen phosphate