?-D-Galp6S-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp?S-(1->?)-?-D-GlcpNAc?S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)[?-D-NeupAc-(2->?)-?-D-Galp-(1->?)]-?-D-GalpNAc(1->