4-pentafluorophenoxy-2,3,4,5,6-pentafluorocyclohexa-2,5-dienone
2,3,4,5,6-Pentafluoro-4-(2-pentafluorophenyloxy-but-3-enyl)-cyclohexa-2,5-dienone
4-(2,3-Dimethyl-2-pentafluorophenyloxy-but-3-enyl)-2,3,4,5,6-pentafluoro-cyclohexa-2,5-dienone
2,3,5,6-tetrafluoro-1,4-benzoquinone
tetrafluoro-1,2-benzoquinone