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