| abstract |
The present invention discloses compounds of formula 1, N-oxides and salts thereof, wherein Z is O or S; A 1 , A 2 , A 3 and A 4 are independently N or CR 1 with the proviso that only one of A 1 , A 2 , A 3 and A 4 is N; and R 1 , R 2 , R 3 and Q are as defined in the disclosure. Compositions comprising compounds of Formula 1 and methods for controlling parasitic nematodes comprising contacting the parasitic nematodes or their environment with a biologically effective amount of a compound or composition of the invention are also disclosed. |