?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)[?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)]-?-D-GlcpNAc-(1->?)[?-D-Neup5Ac-(2->?)-?-D-Galp-(1->?)]-?-D-GalNAc
