Ara(a1-8)Gro(a2-4)[Rha(a1-3)QuiNAc(b1-7)Gro(a1-2)[Glc(a1-6)]Gal(a1-3)[Gro(a1-7)]Gro(a1-3)[Glc(b1-4)]Gro(a1-5)]Kdo(a2-