Use and novel 2-oxo-pyrrole 2-oxo pyrrole as crop protection agents

(57) [Summary of formula I ## STR1 ## [However, R -C Aryl -C -C Roariru -C Oxy, arylthio, represents may also} have heteroarylthio, or aryl or heteroaryl phenyl ring, a C }, C ) Represents the. It represents a}. ] 2-oxo pyrazole use and novel formula I as 2-oxo-pyrroles and crop protection agents of their agriculturally useful salts represented by is described.