beta-D-Glcp2,3,4,6Ac4-(1->2)[beta-D-Glcp6Ac-(1->2)-beta-D-Glcp6Ac-(1->2)-beta-D-Glcp3,4,6Ac3-(1->4)-beta-D-Glcp2,3,6Ac3-(1->4)]-beta-D-Glcp-(1->3)-D-Gro-onic(?->