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