all the pyrethroids tested inhibited fibroblast binding of [ 3h ] methyltrienolone ( r1881 ) at 22 degrees c with the following rank order of potency : pyrethrins greater than bioallethrin greater than fenvalerate greater than fenothrin greater than fluvalinate greater than permethrin greater than resmethrin .
C0034245
pyrethrins
C0070455
permethrin