alpha-D-GlcpA-(1->2)[alpha-D-Glcp-(1->2)[alpha-D-Glcp-(1->2)[alpha-D-Glcp-(1->2)[6)-beta-D-Galf-(1->6)]-beta-D-Galf-(1->6)]-beta-D-Galf-(1->6)]-beta-D-Galf-(1->]n