[beta-L-Galp-(1->4)-beta-D-Glcp-(1->6)-[beta-L-Galp-(1->4)-beta-D-GlcpNAc-(1->3)]-beta-L-Galp-(1->4)-beta-D-Glcp-(1->6)-beta-L-Galp-(1->4)-beta-D-GlcpNAc(1-]-