β-D-GalpNAc?S-(1→4)-β-D-GlcpNAc-(1→2)-α-D-Manp-(1→3)[β-D-Manp-(1→3)-α-D-Manp-(1→6)]-β-D-Manp-(1→4)-β-D-GlcpNAc-(1→4)[α-L-Fucp-(1→?)]-?-D-GlcpNAc-(1→
