?-D-NeupAc-(2->?)-?-D-NeupAc-(2->?)-?-D-Galp-(1->?)-?-D-GalpNAc-(1->?)[?-D-NeupAc-(2->?)-?-D-NeupAc-(2->?)-?-D-NeupAc-(2->?)]-?-D-Galp-(1->?)-?-D-Glcp-(1->
