Synonyms: 1,4:5,8-Dimethanonaphthalen-2-ol,5,6,7,8,9,9-hexachloro-1,2,3,4,4a,5,8,8a-octahydro-, (1a,2b,4a,4ab,5a,8a,8ab)-;1,4:5,8-Dimethanonaphthalen-2-ol, 5a,6,7,8a,9,9-hexachloro-1b,2a,3,4b,4ab,5,8,8ab-octahydro- (8CI);4-Monohydroxydihydroisodrin; 6-endo-Hydroxydihydroaldrin; 6b-Hydroxydihydroaldrin;endo-4-Hydroxy-4,5-dihydroaldrin