Kdo(a2-4)Kdo(a2-4)[GlcNAc(a1-2)[Abe(a1-3)[2)Man(b1-4)Rha(b1-3)[Glc(a1-4)]Gal(a1-]n]Glc(a1-2)Gal(a1-3)[Gal(a1-6)]Glc(a1-3)[Gro(a1-7)]Gro(a1-3)Gro(a1-5)]Kdo(?2-