Kdo(a2-4)[GlcNAc(a1-2)Glc(a1-2)Glc(a1-3)[Gal(a1-6)]Glc(a1-3)[Gro(a1-7)]Gro(a1-3)Gro(a1-5)]Kdo(a2-6)GlcN(b1-6)GlcN(a1-