?-D-Neup5Ac-(2→?)-?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)[?-D-Neup5Ac-(2→?)-?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)]-α-D-Manp-(1→3/6)[?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)[?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)]-α-D-Manp-(1→3/6)]-β-D-Manp-(1→4)-β-D-GlcpNAc-(1→4)-β-D-GlcpNAc-(1→