?-D-GlcpNAc-(1->?)-?-D-GalpNAc-(1->?)-?-D-Galp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)?-D-Glcp-(1->?)[?-D-Galp-(1->?)]-L-gro-?-D-manHepp-(1->?)-?-D-Kdo?4PEtn-(2->?)-D-Kdo(?->