3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives

摘要

There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) <IMAGE> (I) The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.