?-D-GlcpN-(1->?)-L-gro-?-D-manHepp-(1->?)-L-gro-?-D-manHepp-(1->?)L-gro-?-D-manHepp-(1->?)[?-D-Glc?-(1->?)]-L-gro-?-D-manHepp-(1->?)-D-Kdn(?->