Fuc(b1-2)Xyl(b1-3)[GlcA(b1-6)Gal(?1-2)Xyl(b1-3)[Gal(b1-2)Xyl(b1-3)[GlcA(b1-4)Fuc(?1-2)Xyl(b1-3)[Xyl(b1-3)[4)GalA(a1-4)]GalA(a1-4)]GalA(a1-4)GalA(a1-4)Rha(?1-4)]GalA(a1-4)]GalA(a1-4)GalA(a1-2)Rha(?1-4)Rha(?1-4)GalA(a1-]n