[[4)-beta-L-Galp-(1->4)-beta-L-Galp-(1->4)-[alpha-L-Araf-(1->5)-alpha-L-Araf-(1->3)-beta-L-Galp-(1->4)]-alpha-L-Araf-(1->3)-beta-L-Galp-(1->4)]-beta-L-Galp-(1->4)-beta-L-Galp-(1->]