alpha-D-Kdop-(2->4)[alpha-D-Glc?-(1->3)[alpha-D-GlcpN-(1->7)-L-gro-alpha-D-manHepp-(1->7)]-L-gro-alpha-D-manHepp-(1->3)-L-gro-alpha-D-manHepp4P-(1->5)]-alpha-D-Kdop-(2->6)-beta-D-GlcpN4P-(1->6)-alpha-D-GlcpN(1->