β-D-GalpNAc-(1→4)-β-D-GlcpNAc-(1→2)[β-D-GlcpNAc-(1→4)]-α-D-Manp-(1→3)[β-D-GalpNAc-(1→4)-β-D-GlcpNAc-(1→2)-α-D-Manp-(1→6)]-β-D-Manp-(1→4)-β-D-GlcpNAc-(1→4)-?-D-Glc?NAc-(1→
