beta-D-GlcpA-(1->2)[alpha-D-GlcpN-(1->7)]-L-gro-alpha-D-manHepp4P-(1->3)[alpha-D-GlcpN-(1->4)[alpha-D-GalpA2N-(1->6)]-beta-D-Glcp-(1->4)]-L-gro-alpha-D-manHepp-(1->5)-alpha-D-Kdop4P-(2->6)-beta-D-GlcpN4P-(1->6)-alpha-D-GlcpN(1->