The molecule is an organophosphate oxoanion that is the tetraanion obtained by the deprotonation of all the phosphate OH groups of eritoran. It is a conjugate base of an eritoran.
[(2R,3R,4R,5S,6R)-4-decoxy-5-hydroxy-6-[[(2R,3R,4R,5S,6R)-4-[(3R)-3-methoxydecoxy]-6-(methoxymethyl)-3-[[(Z)-octadec-11-enoyl]amino]-5-phosphonatooxyoxan-2-yl]oxymethyl]-3-(3-oxotetradecanoylamino)oxan-2-yl] phosphate