γ-BHC: Its history and mystery - why is only γ-BHC insecticidal?

- History of γ-BHC as a potent insecticide and the elucidation of its chemical structure.
- The mystery of γ-BHC, why is γ-BHC insecticidal?
- GABA receptor Cl− ion channel.
- Structure-activity relationship study of γ-BHC analogs.