beta-cyfluthrin
beta-cyfluthrin
"A diastereoisomeric mixture comprising the enantiomeric pair (1R)-cis-(alphaS)- and (1S)-cis-(alphaR)-cyfluthrin in ratio 1:2 with the enantiomeric pair (1R)-trans-(alphaS)- and (1S)-trans-(alphaR)-cyfluthrin."