alpha-D-GlcpA4Me-(1->2)[4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->4)-beta-D-Xylp-(1->]n