3,7-dinitro-Se-(trifluoromethyl)dibenzoselenophenium triflate

2,4-dimethyl-5-(trifluoromethyl)dibenzo[b,d]thiophenium trifluoromethanesulfonate

2,4,6,8-tetramethyl-5-(trifluoromethyl)dibenzo[b,d]thiophenium trifluoromethanesulfonate

bis(4'-nitro-1,1'-biphenyl-4-yl)(trifluoromethyl)sulfonium trifluoromethanesulfonate

trifluoro(trifluoromethyltellanyl)methane