beta-L-Xulf-(2->2)beta-L-Xulf-(2->2)[alpha-D-Fuc?-(1->4)]-beta-?-Hepp-(1->6)[alpha-D-Fuc?-(1->4)]-beta-?-Hepp-(1->6)[alpha-D-Fucf-(1->4)]-beta-?-Hepp(1->