?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-Glcp-(1->?)[?-D-GlcpNAc-(1->?)-?-D-Glcp-(1->?)]-?-D-Manp-(1->?)-?-D-GlcpNAc-(1->?)-?-D-GlcNAc-(?->
