| 摘要 |
A compound of formula (I) wherein A is a bidentate group of the formula: XC=CY or XCH-CHY (wherein X and Y are independently hydrogen, hydroxy, acyloxy, alkoxy, cyano or halogen); and Ar is optionally substituted phenyl or optionally substituted heteroaryl; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom; provided that when A is CH2-H2 then Ar is neither 5-chloropyrid-3-yl nor 5-trifluoromethylpyrid-3-yl; an insecticidal, acaricidal or nematicidal composition comprising an insecticidally, acaricidally or nematicidally effective amount of a compound of formula (I); a method of using a compound of formula (I) to combat or control insect, acarine or nematode pests; and processes for preparing a compound of said formula. |
