The molecule is the lipid IVA oxoanion that is (KDO)-lipid IVA(5-) phosphorylated at the 4 position on the KDO moiety; protonated to pH 7.3. It derives from a (KDO)-lipid IVA(5-).
(2R,4R,5S,6R)-6-[(1R)-1,2-dihydroxyethyl]-5-hydroxy-2-[[(2R,3S,4R,5R,6R)-6-[[(2R,3S,4R,5R,6R)-3-hydroxy-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxy-6-phosphonatooxyoxan-2-yl]methoxy]-5-[[(3R)-3-hydroxytetradecanoyl]amino]-4-[(3R)-3-hydroxytetradecanoyl]oxy-3-phosphonatooxyoxan-2-yl]methoxy]-4-phosphonatooxyoxane-2-carboxylate