2,3,4,5,6-pentafluorobenzenesulfonyl fluoride

2,3,5,6,7,8-hexafluoronaphthalene-1,4-dione

2,3,4,4,5,6,7,8-octafluoronaphthalen-1-one

1-keto-2-chloroheptafluoro-1,4-dihydronaphthalene

1-oxoperfluoro-1,2-dihydronaphthalene