alpha-D-Galp-(1->2)-alpha-D-Galp-(1->2)[beta-D-Glcp-(1->3)]-alpha-D-Glcp-(1->3)-beta-D-Glcp-(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-manHepp4PPEtn-(1->4/5)-D-Kdo(?->