Similar names: 1,3,4-Metheno-1H-cyclobuta[cd]pentalene, 1,1a,2,2,3,3a,4,5,5,5a,5b,6-dodecachlorooctahydro-; 1,3,4-Metheno-1H-cyclobuta[cd]pentalene, dodecachlorooctahydro- (7CI); 1,1a,2,2,3,3a,4,5,5,5a,5b,6-Dodecachlorooctahydro-1,3,4-metheno-1H-cyclobuta[cd]pentalene; 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-, dimer; Dechlorane; Dechlorane 4070; Dodecachlor; Dodecachlorooctahydro-1,3,4-metheno-2H-cyclobuta[cd]pentalene; Dodecaclor; ENT 25719; GC 1283; Hexachlorocyclopentadiene dimer; Mirex; NSC 124102; NSC 26107; NSC 37656; Paramex; Perchlorodihomocubane; Perchloropentacyclo[5.2.1.02,6.03,9.05,8]decane; Perchloropentacyclo[5.3.0.02,6.03,9.04,8]decane; Perchloropentacyclodecane