Synonyms: 1,2,3,4,5,6-Hexachlorocyclohexene;alpha-Hexachlorocyclohexene;AC1L3NY4;AC1Q3KZ6;KST-1B6019;AR-1B5047;Cyclohexene, 1,2,3,4,5,6-hexachloro-;1,2,3alpha,4beta,5beta,6alpha-hexachlorocyclohexene;Cyclohexene, 1,2,3,4,5,6-hexachloro-, (3alpha,4beta,5alpha,6beta)-;Cyclohexene, 1,2,3,4,5,6-hexachloro-, (3alpha,4beta,5beta,6alpha)-;1890-41-1;57722-16-4