?-D-Neup5Gc-(2->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GalNAc
