?-D-GlcpNAc-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)[?-D-Fucp-(1->?)]-?-D-GlcpNAc-(1->?)[?-D-GlcpNAc-(1->?)-?-D-Galp-(1->?)]-D-GalNAc(?->