. "(1?,2?,3?,4?,5?,6?)-1,2,3,4,5,6-hexachlorocyclohexane — CAS Identifier: 319-84-6"@en . "(1?,2?,3?,4?,5?,6?)-1,2,3,4,5,6-hexachlorocyclohexane"@en . . "HCH alfa"@it . . "HCH alfa — Codice CAS: 319-84-6"@it . . . "CAS:319-84-6" .