一种含吡唑基团的吡咯啉酮类化合物、制备方法及其应用本发明属于除草剂利杀菌剂领域,公开了一种含吡唑基团的吡咯啉酮类化合物、制备方法及其应用。该类化合物的结构如通式(I)所示,其中R1、R2、R3、R4的定义如说明书所述。 Pyrazolone compound containing pyrazole group, preparation method and application thereof The invention belongs to the field of herbicide and bactericidal agent, and discloses a pyrazolyl group containing pyrrole ketone compound, a preparation method and application thereof . The structures of these compounds are shown in the general formula (I), wherein R1, R2, R3 and R4 are as defined in the description.