Synonyms: 5,6,7,8,9,9-hexachloro-1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphthalene;10059-65-1;Dihydroisodrin;2387-13-5;AC1Q3FIR;AC1L3Z0L;AR-1G6044;NSC122962;NSC143934;NSC 122962;NSC 143934;NSC-122962;NSC-143934;1,2,3,4,10,10-Hexachloro-1,4,4a,5,6,7,8,8a-octahydro-1,4-endo-endo-5,8-dimethanonaphthalene;1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,6,7,8,8a,-octahydro-, (1alpha,4a,4abeta,5alpha,8alpha,8abeta)-