2,3,4,5-tetrachlorocyclopenta-2,4-dienone oxime

(3aS,4S,7R,7aR)-2,3,4,5-tetrachloro-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene-1,8-dione

1,1,2,3,4,5,6,7-octachloroindene

perchloroindane

6,7,8,9-tetrachloro-1,4-dioxaspiro[4.4]nona-6,8-diene