?-D-GalpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-GlcpNAc-(1->?)-?-D-Glcp-(1->?)[?-D-Galp-(1->?)-?-D-Glcp-(1->?)]-?-D-Glcp-(1->?)[L-gro-?-D-manHepp7PPEtn-(1->?)]-L-gro-?-D-manHepp4PPEtn-(1->?)[L-gro-?-D-manHepp7PPEtn-(1->?)]-L-gro-?-D-manHepp4PPEtn-(1->?)-D-Kdo(?->