Gal(a1-2)Gal(a1-2)[Rha(a1-3)Rha(a1-2)Gal(a1-3)GlcNAc(b1-6)Gal(b1-4)]Glc(a1-3)Glc(a1-3)[Gro(a1-7)]Gro(a1-3)Gro(a1-5)Kdn