[[4)-beta-D-Xylp-(1->4)-[alpha-L-Araf-(1->3)-beta-D-Xylp-(1->4)]-beta-D-Xylp-(1->4)-[alpha-L-Araf-(1->3)-[alpha-L-Araf-(1->2)-beta-D-Xylp-(1->4)]]-alpha-L-Araf-(1->3)-beta-D-Xylp-(1->4)]-beta-D-Xylp-(1->]