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