β-D-GlcpNAc-(1→3)[α-D-Neup5Ac-(2→6)]-β-D-Galp-(1→4)-β-D-GlcpNAc-(1→3)[α-D-Neup5Ac-(2→6)]-β-D-Galp-(1→4)-β-D-GlcpNAc-(1→3)[α-D-Neup5Ac-(2→6)]-?-D-GalNAc-ol
