?-D-GlcpN-(1->?)-L-gro-?-D-manHepp-(1->?)[?-D-Glcp-(1->?)-?-D-Glcp-(1->?)]-L-gro-?-D-manHepp4PPEtn-(1->?)-L-gro-?-D-manHepp4PPEtn-(1->?)-D-Kdo(?->