(1alpha,2alpha,3alpha,4alpha,5alpha,6alpha)-1,2,3,4,5,6-Hexachlorocyclohexane 6108-11-8 Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1alpha,2alpha,3alpha,4alpha,5alpha,6alpha)- Hexachlorocyclohexane (z-isomer) zeta-Hexachlorocyclohexane