[beta-L-Galp-(1->2)-alpha-D-Xylp-(1->6)-[alpha-D-Xylp-(1->6)-alpha-D-Xylp-(1->6)-beta-D-Glcp-(1->4)-beta-D-Glcp-(1->4)]-beta-D-Glcp-(1->4)]-?-D-Glcp(1->