?-D-GalpN-(1->?)-?-D-GalpN-(1->?)-?-D-Glcp-(1->?)-?-D-Kdop-(2->?)?-D-Glcp-(1->?)-?-D-Glcp-(1->?)[?-D-Kdop-(2->?)]-?-D-Kdop-(2->?)-?-D-GlcpN4P-(1->?)-?-D-GlcpN(1->