?-D-Galp-(1->?)-?-D-GalpNAc-(1->?)-?-D-GalpNAc-(1->?)L-gro-?-D-manHepp-(1->?)-L-gro-?-D-manHepp-(1->?)[?-L-Rhap-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)[D-gro-?-D-talOct2ulop-onic-(2->?)]-?-D-Kdo?(2->