2,3,5,6-tetrafluoro-4-(2,3,4,5,6-pentafluorophenyl)benzoic acid

1,2,3,4,5-pentafluoro-6-[(2,3,4,5,6-pentafluorophenyl)trisulfanyl]benzene

thallium pentafluorothiophenolate

5,6,7,8-tetrafluoro-1,4-dihydro-1,4-methanonaphthalene