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