?-D-GlcpNAc-(1→?)[?-D-GlcpNAc-(1→?)]-α-D-Manp-(1→3)[?-D-GlcpNAc-(1→?)-α-D-Manp-(1→6)]-?-D-Manp-(1→?)-?-D-GlcpNAc-(1→
