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