| abstract |
A method of killing or controlling insect, mite or nematode pests which method comprises applying to the pest or to the locus thereof an effective amount of a compound of formula (I):n wherein R is hydrogen or C 1-4 alkyl; and X, Y and Z are independently selected from hydrogen, halogen, or OR¹ where R¹ is optionally substituted aryl or heteroaryl group. n Certain of the compounds of formula (I) are novel and these form a further aspect of the invention |