?-D-GlcpNAc-(1→?)[?-D-GlcpNAc-(1→?)]-?-D-Manp-(1→?)[?-D-GlcpNAc-(1→?)-?-D-Manp-(1→?)]-?-D-Manp-(1→?)-?-D-GlcpNAc-(1→?)[α-L-Fucp-(1→6)]-?-D-GlcpNAc-(1→
