?-D-Neup5Ac?Ac-(2→?)-?-D-Galp-(1→?)-?-?-Hex?NAc-(1→?)-?-D-Manp-(1→?)[?-D-Galp-(1→?)-?-?-Hex?NAc-(1→?)-?-D-Manp-(1→?)]-?-D-Manp-(1→?)-?-D-GlcpNAc-(1→?)-?-D-GlcpNAc-(1→
