alpha-D-NeupGc-(2->3)-?-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->3)[?-D-Galp-(1->3)-?-D-Galp-(1->4)-beta-D-GlcpNAc-(1->6)]-D-GalNAc(?->