申请人:SYNGENTA PARTICIPATIONS AG
                            
                            
                                公开号:US20200031817A1
                            
                            
                                公开(公告)日:2020-01-30
                            
                            The present invention relates to compounds of formula (I) wherein A
1
, A
2
, A
3
, A
4
, R
1
, R
2
, R
3
, R
4
and n are as defined in claim
1
; or a tautomer, isomer, enantiomer, salt or N-oxide thereof; to intermediates for preparing compounds of formula (I), to compositions comprising them and to methods of using them to combat and control insect, acarine, nematode and mollusc pests.