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