<unk>  is an organic compound.  It is classified as a pyrethroid, meaning that in terms of chemical structure, it resembles the naturally occurring insecticide pyrethrin.  It was designed to be effective against soil pests. With an LD50 for rats of at 29 mg/kg,<unk>  is one of the most toxic pyrethroids.
Tefluthrin
Metofluthrin
Cyfluthrin
Epichlorohydrin
Tolmetin
Fusafungine
Colistimethate sodium
Dicyclomine