?-D-GlcpN-(1->?)-?-D-GalpA-(1->?)-L-gro-?-D-manHepp-(1->?)[?-D-GlcpN-(1->?)-?-D-GalpA-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Galp-(1->?)]-L-gro-?-D-manHepp-(1->?)[D-gro-?-D-talOct2ulop-onic-(2->?)]-?-D-Kdop(2->