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