?-D-NeupAc-(2->?)-?-D-NeupAc-(2->?)-?-D-Galp-(1->?)-?-D-GalpNAc-(1->?)-?-D-Galp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp7PEtn-(1->?)-D-Kdn(?->