The molecule is a polyprenyl phospho oligosaccharide consisting of undecaprenyl diphosphate and 2,3-diacetamido-2,3-dideoxy-beta-D-mannosyl-(1->3)-N-acetyl-D-fucosamine components connected by a glycosyl diphosphate linkage.
(2S,3S,4R,5S,6R)-4,5-diacetamido-6-[(3R,4R,5S,6R)-3-acetamido-5-hydroxy-2-[hydroxy-[hydroxy-[(2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,14,18,22,26,30,34,38,42-undecaenoxy]phosphoryl]oxyphosphoryl]oxy-6-methyloxan-4-yl]oxy-3-hydroxyoxane-2-carboxylic acid