beta-D-Glcp-(1->4)[beta-D-Glcp-(1->2)[alpha-D-NeupAc-(2->8)-alpha-D-NeupAc-(2->3)-beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->4)-beta-D-Galp-(1->3)]-L-gro-alpha-D-manHepp-(1->5)]-L-gro-alpha-D-manHepp7P-(1->5)-alpha-D-Kdop(2->