Ara(b1-3)[Gal(b1-3)[Ara(b1-3)[4)GlcA(b1-2)[Ara(b1-3)]Man(b1-4)]GlcA(b1-2)[Gal(b1-3)]Man(b1-4)]GlcA(b1-2)[Ara(b1-3)]Man(b1-4)GlcA(b1-2)Man(b1-]n