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