?-D-Neup5Ac-(2->3)-?-D-Galp-(1->4)-?-D-GlcpNAc-(1->2)[?-D-Neup5Ac-(2->3)-?-D-Galp-(1->4)-?-D-GlcpNAc-(1->4)]-alpha-D-Manp-(1->?)[?-D-Neup5Ac-(2->3)-?-D-Galp-(1->4)-?-D-GlcpNAc-(1->2)-alpha-D-Manp-(1->?)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc-(1->
