GlcNAc(?1-6)Gal(?1-4)GlcNAc(?1-3)Gal(?1-3)GlcNAc(?1-7)Gro(a1-6)Glc(a1-2)Glc(a1-3)[Gal(a1-6)]Glc(a1-3)[Gro(a1-7)]Gro(a1-3)Gro(a1-5)Kdo