[2)Rha(a1-4)GalA(?1-2)Rha(a1-4)GalA(?1-2)[Gal(?1-4)Gal(?1-4)GalA(?1-4)]Rha(a1-4)GalA(?1-2)[Gal(?1-6)Gal(?1-6)Gal(?1-4)]Rha(a1-4)GalA(?1-]n