Tetraethyl dithiopyrophosphate

Tetraethyl dithiopyrophosphate (also known as TEDP or Sulfotepp) is a highly toxic chemical compound with the chemical formula C₈H₂₀O₅P₂S₂. The chemical is a mobile oil that is pale yellow-colored and smells like garlic. It is primarily used as an insecticide, but does not damage plants significantly.