D-gro-alpha-D-talOct2ulop-onic-(2->4)[beta-D-Glc?NAc-(1->3)[D-gro-alpha-D-manHepp-(1->7)-L-gro-alpha-D-manHepp-(1->7)]-L-gro-alpha-D-manHepp-(1->3)[beta-D-Glc?-(1->4)]-L-gro-alpha-D-manHepp-(1->5)]-D-Kdo(?->