?-D-Manp-(1->2)-?-D-Manp-(1->3)[?-D-Manp-(1->3)[?-D-Manp-(1->6)]-?-D-Manp-(1->6)]-?-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-beta-D-GlcpNAc-(1->
