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