Gro(a1-5)Kdo(a2-4)[Gal(a1-2)[Glc(a1-6)]Glc(a1-3)[Gro(a1-7)]Gro(a1-3)[Glc(a1-6)Glc(b1-4)]Gro(a1-5)]Kdo(a2-6)GlcN(b1-6)GlcN(?1-