?-D-GlcpNAc-(1->?)-?-D-ManpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-ManpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)[?-D-GlcpNAc-(1->?)-?-D-ManpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-ManpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)]-?-D-ManpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-ManpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-GlcpNAc(1->