"(1?,2?,3?,4?,5?,6?)-1,2,3,4,5,6-hexachlorocyclohexane — CAS Identifier: 319-85-7"@en . "CAS:319-85-7" . "(1?,2?,3?,4?,5?,6?)-1,2,3,4,5,6-hexachlorocyclohexane"@en . . "HCH-beta — Codice CAS: 319-85-7"@it . . . "HCH-beta"@it . . .