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