?-D-Galp-(1->?)-?-D-GalpNAc-(1->?)-?-D-Galp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp7P-(1->?)-D-Kdo(?->