?-D-NeupAc-(2->?)-?-D-Galp-(1->?)-?-D-Glc?NAc-(1->?)-?-D-Galp-(1->?)-?-D-Glcp-(1->?)[?-D-Glc?NAc-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHep?6,7PEtn2-(1->?)]-L-gro-?-D-manHep?-(1->?)[?-D-Kdop-(2->?)]-?-D-Kdop(2->