?-D-Neup5Ac-(2->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc6S-(1->?)-?-D-Galp-(1->?)-?-D-GlcpNAc-(1->?)-?-D-Galp-(1->?)-?-D-GalpNAc-(1->
