?-D-GlcpNAc-(1→?)-α-D-Manp-(1→?)[α-D-Manp-(1→?)][β-D-Xylf-(1→2)]-β-D-Manp-(1→4)-β-D-GlcpNAc-(1→4)[α-L-Fucp-(1→3)]-β-D-GlcpNAc-(1→
