?-D-GlcpN-(1->?)-?-D-Glcp-(1->?)[?-D-Glcp-(1->?)]-?-D-GalpN-(1->?)-L-gro-?-D-manHepp-(1->?)-L-gro-?-D-manHepp2,4P2-(1->?)[?-D-Kdop-(2->?)]-?-D-Kdop-(2->?)-?-D-GlcpN4P-(1->?)-?-D-GlcpN(1->