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