D-gro-alpha-D-talOct2ulop7PEtn-onic-(2->4)[beta-D-GlcpNAc-(1->3)[beta-D-Galp-(1->7)-L-gro-alpha-D-manHepp-(1->7)]-L-gro-alpha-D-manHepp-(1->3)[beta-D-Glcp-(1->4)]-L-gro-alpha-D-manHepp-(1->5)]-alpha-D-Kdop(2->