?-D-GlcpNAc-(1->4)-?-D-Manp-(1->3)[?-D-GlcpNAc-(1->4)-?-D-Manp-(1->6)]-?-D-Manp-(1->4)-?-D-GlcpNAc-(1->4)[?-D-Fucp-(1->6)]-?-D-GlcpNAc-(1->
