beta-D-Xylp-(1->4)[beta-D-Glcp-(1->6)]-beta-D-Glcp-(1->3)-beta-D-Xylp-(1->4)-alpha-L-Rhap-(1->3)-beta-D-Xylp-(1->3)-alpha-L-Rhap-(1->2)-?-D-Xylp(1->