The pyrethrins are a pair of natural organic compounds that have potent insecticidal activity. Pyrethrin I and pyrethrin II are structurally related esters with a cyclopropane core . They differ by the oxidation state of one carbon. They are viscous liquids that oxidize readily to become inactivated.
Cypermethrin Pyrethroid Pyrethrum Lavoslav Ružička Hermann Staudinger Cyclopropane Permethrin Insect repellent Organochloride Organophosphate Biodegradation Correlation does not imply causation Neurotoxin Oxidation state Etiology Insecticide Ester Perennial plant Organic compound Peer review Autism Fish Insect Mammal Bird
