| 摘要 |
The invention provides compounds of formula (I) having nematicidal, insecticidal, acaricidal and fungicidal properties, compositions comprising them and processes and intermediates for their preparation: <IMAGE> (I) wherein: X is oxygen or sulphur; n is 0, 1 or 2; R1, R2, R3, and R4 are as described in the specification. |
