Ara(a1-5)Ara(a1-3)[Ara(a1-5)Ara(?1-3)[Ara(a1-5)Ara(?1-3/4)Gal(b1-6)]Gal(b1-6)]Gal(b1-6)[3)Gal(b1-]n[Ara(a1-5)Ara(?1-3)Ara(a1-3)Gal(b1-3)Gal(b1-6)][3)Gal(b1-]n