alpha-D-Glcp-(1->4)-beta-D-Galp-(1->7)[alpha-D-Fucp-(1->2)]-D-gro-alpha-D-manHepp-(1->2)-L-gro-beta-D-manHepp-(1->3)-L-gro-alpha-D-manHepp7PEtn-(1->5)-alpha-D-Kdop(2->