?-D-Galp-(1→?)[?-D-Neup5Ac-(2→?)]-?-D-GlcpNAc-(1→?)[?-D-Galp-(1→?)[?-D-Neup5Ac-(2→?)]-?-D-GlcpNAc-(1→?)]-?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)[?-D-Neup5Ac-(2→?)]-?-D-GalpNAc-(1→
