Acetamiprid (III): Belongs to the neonicotinoid class, effective against sucking pests by acting on the insect nervous system.
Cypermethrin (I): A widely used synthetic pyrethroid that acts as a contact and stomach poison.
Chlorpyriphos (IV): An organophosphate that affects the nervous system by inhibiting acetylcholinesterase.
Lindane (II): A chlorinated hydrocarbon insecticide, now banned in many countries due to its persistence and toxicity.