?-D-GalpA-(1->?)-L-gro-?-D-manHepp-(1->?)[?-D-GalpA-(1->?)]-L-gro-?-D-manHepp6PEtn-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Ara?4N-(1->?)]-D-Kdo(?->