Insecticidal and acaricidal phenylhydrazono- and phenylhydrazino-pyrrolidines

摘要

Compounds of the formula <IMAGE> (Ia) and of the isomeric formulae <IMAGE> (Ib) +TR <IMAGE> (Ic) wherein R is alkyl or halogen, R1 is hydrogen, optionally substituted alkyl or optionally substituted alkenyl, R2 is hydrogen or methyl, R3 is hydrogen, alkyl or alkenyl, and X is oxygen or sulfur, including their acid salts, are insecticidally and acaricidally active.