1,2,3,4,5,6-Hexachlorocyclohexane (mixture of isomers) Benzahex Benzenehexachloride, mixed isomers Benzex Cyclohexane, 1,2,3,4,5,6-hexachloro-, (mixed isomers) FBHC FHCH GV4950000 Hexafor Kotol Soprocide Technical BHC Technical HCH