?-D-GlcpNAc-(1->?)-?-D-Glcp-(1->?)-?-D-Galp-(1->?)[?-D-Galp-(1->?)]-?-D-Glcp-(1->?)-L-gro-?-D-manHep?-(1->?)-L-gro-?-D-manHep?-(1->?)-D-Kdn(?->