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