1,1,3,3,5-pentachloro-2,2,4,6,7-pentafluoroindene

8-fluoro-8-(trifluoromethyl)bicyclo[4.2.0]octa-1,3,5-trien-7-one

2,2,3,3,4,5,6,7-octafluoroinden-1-one

1,1,2,3-tetrabromotetrafluoroindene