Glc(a1-6)Glc(b1-3)[Glc(b1-3)FucNAc(a1-3)FucNAc(b1-2)Rha(a1-6)Glc(a1-4)]GalN(a1-3)Gro(a1-3)Gro(a1-5)Kdo(?2-