1,2,3,4-tetrafluoro-5,8-dimethylnaphthalene

1,3-dichloro-2,4,6-trifluoro-5-(2,3,4,5,6-pentafluorophenyl)benzene

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

2,3,5,6-tetrafluoro-4-(2,3,5,6-tetrafluoro-4-hydroxyphenyl)sulfanylphenol