GlcN(a1-7)Gro(a1-2)Gro(a1-3)Gal(a1-4)GalNAc(b1-4)Gro(a1-6)Glc(b1-4)[Gro(a1-6)]Gro(a1-5)Kdo(a2-6)GlcN(b1-6)GlcN(a1-