alpha-D-Kdo?-(2->4)[alpha-D-Kdo?-(2->6)-alpha-D-Glc?N-(1->4)-alpha-D-Gal?A-(1->3)[L-gro-alpha-D-manHep?-(1->7)]-L-gro-alpha-D-manHep?-(1->3)[beta-D-Glc?-(1->4)]-L-gro-alpha-D-manHep?-(1->5)]-alpha-D-Kdo?(2->