Kdo(a2-4)[Gal(a1-2)Gal(a1-2)[Glc(b1-2)[GalNAc(a1-3)]Man(b1-4)Man(b1-3)GlcNAc(b1-3)Glc(a1-3)]Glc(a1-3)Glc(a1-3)[Gro(a1-7)]Gro(a1-3)Gro(a1-5)]Kdo(a2-