?-D-GlcpNAc-(1->?)-?-D-Glcp-(1->?)-?-D-Galp-(1->?)[?-D-Galp-(1->?)]-?-D-Glcp-(1->3)[L-gro-alpha-D-manHepp-(1->7)]-L-gro-alpha-D-manHepp-(1->3)-L-gro-alpha-D-manHepp-(1->?)-D-Kdo(?->