| Synonyms: | (cd)pentalene;1,1a,2,2,3,3a,4,5,5,5a,5b,6-dodecachlorooctahydro-1,3,4-metheno-1h-cyclobuta;1,1a,2,2,3,3a,4,5,5,5a,5b,6-dodecachlorooctahydro-1,3,4-metheno-1-h-cyclobuta(;1,1a,2,2,3,3a,4,5,5,5a,5b,6-Dodecachlorooctahydro-1,3,4-metheno-1H-cyclobuta(cd)pentalene;1,1a,2,2,3,3a,4,5,5a,5b,6-dodecachlorooctahydro-1,3,4-metheno-1h-cyclobuta(cd);1,2,3,4,5,5-Hexachloro-1,3-cyclopentadiene dimer;1,2,3,4,5,5-hexachloro-1,3-cyclopentadienedimer;1,3,4-Metheno-1H-cyclobuta(cd)pentalene, dodecachlorooctahydro- |