Synonyms: 1,1a,2,2,3,3a,4,5,5a,5b-decachlorooctahydro-1h-1,3,4-(methanetriyl)cyclobuta[cd]pentalene;53207-72-0;78405-39-7;5,10-Dihydromirex;5,10-Dihydrogen mirex;cis-5,10-Dihydromirex;AC1L4RT4;AC1Q3Q47;KST-1B8593;KST-1B8594;AR-1B4338;AR-1B4339;1,3,4-Metheno-1H-cyclobuta(cd)pentalene, 1,1a,2,3,3a,4,5,5a,6-decachlorooctahydro-;1,3,4-Metheno-1H-cyclobuta(cd)pentalene, 1,1a,2,3,3a,4,5,5a,5b,6-decachlorooctahydro-, trans-