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