?-?-HexpNAc?S-(1->?)-?-?-HexpA-(1->?)-?-?-Hexp-(1->?)-?-?-HexpNAc-(1->?)-?-?-HexpA-(1->?)-?-?-Hexp-(1->?)-?-?-HexpNAc-(1->?)-?-?-HexpA-(1->?)-?-D-Galp-(1->?)-D-GalNAc(?->