[beta-L-GlcpNAc-(1->6)-[beta-L-GlcpNAc-(1->3)-beta-L-Galp-(1->4)]-beta-L-GlcpNAc-(1->2)-alpha-L-Manp-(1->6)-[beta-L-GlcpNAc-(1->6)-beta-L-GlcpNAc-(1->3)-beta-L-Galp-(1->4)]-beta-L-GlcpNAc-(1->2)-alpha-L-Manp-(1->3)-beta-L-Manp-(1->4)]-?-L-GlcpNAc(1->