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