?-D-GalpNAc-(1->?)-?-D-Galp-(1->?)-?-D-Galp-(1->?)-?-D-Glcp-(1->?)-L-gro-?-D-manHepp3Ac-(1->?)-L-gro-?-D-manHep?-(1->?)[?-D-Glcp4Ac-(1->?)]-L-gro-?-D-manHep?-(1->?)-L-gro-D-manHep(?->