Kdo(a2-4)[Gro(a1-2)[Qui(b1-3)GalNAc(a1-6)Glc(a1-4)GalN(a1-4)]GalA(a1-3)[GalA(b1-7)Gro(a1-7)]Gro(a1-3)[Glc(b1-4)]Gro(a1-5)]Kdo(a2-