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