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pyrethroids

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pyrethroids

synthetic substances with activity similar to the naturally occurring pyrethrins. They include cypermethrin, cyhalothrin, deltamethrin, flumethrin, permethrin.

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pyrazines
pyrazolone
pyrazolone derivatives
pyrectic
Pyrenean
pyrethrin
pyrethrins

pyrethroids
pyrethrolone
pyrethrum
pyretic
pyreto-
pyretogenesis
pyretogenic
pyretogenous

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