?-D-Galp-(1->3)-?-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)[?-D-Galp-(1->3)-?-D-Galp-(1->4)-beta-D-GlcpNAc-(1->6)]-?-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-?-D-Galp-(1->3)-?-D-GalpNAc-(1->
