| 摘要 |
Insecticidal compsn. contg. more than one active ingredient comprises as active ingredient 0.001-99 wt.% of a synthetic pyrethroid of formula (I). X = Cl or Br. Out of the 8 possible isomers of (I) at least 95% of a 55:45-25:75 mixt. of the enantiomer pairs 1R cis S + 1 S cis R (Ia) and 1R trans S + 1S trans R (Ib) are present, opt. with an activator and/or with up to 100% of auxiliary agent, esp. an antioxidant, stabiliser, wetting agent, emulsifier, dispersant, antifoam agent, diluent, carrier and/or filler.
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