?-D-GlcpN-(1->?)-L-gro-?-D-manHepp-(1->?)[?-D-Glcp-(1->?)]-L-gro-?-D-manHepp-(1->?)[?-D-Kdop-(2->?)]-?-D-Kdop-(2->?)-?-D-GlcpN-(1->?)-D-GlcN(?->