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