?-D-Neup5Gc-(2→?)-?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)[?-D-GlcpNAc-(1→?)]-?-D-Galp-(1→?)-?-D-GlcpNAc-(1→?)-?-D-Galp-(1→?)-?-D-Glcp-(1→
