alpha-D-Kdop-(2->4)[alpha-D-Glcp-(1->3)[alpha-D-GlcpNAc-(1->7)-L-gro-alpha-D-manHepp-(1->7)]-L-gro-alpha-D-manHepp-(1->3)-L-gro-alpha-D-manHepp-(1->5)]-alpha-D-Kdop(2->