beta-D-Galp-(1->3)[beta-D-Galp-(1->3/4)-beta-D-GlcpNAc-(1->6)-[6)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->]n-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->6)]-D-GalNAc(?->