Synonyms: 2,7-Epoxy-3,6-methanooxireno[b]naphthalene,3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro- (6CI,7CI,8CI);3,4,5,6,9,9-Hexachloro-1,2,2a,3,6,6a,7,7a-octahydro-2,7-epoxy-3,6-methanooxireno[b]naphthalene;5,6,7,8,9,9-Hexachloro-1-4,2-3-diepoxy-1,2,3,4,4a,5,8,8a-octahydro-5,8-methanonaphthalene;52RL71; NSC 59106; Shell 52RL71