| abstract |
A phenyl substituted heterocyclic compound of formula (I): ##STR1## wherein R 1 is optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R 2 is hydrogen, halogen, haloalkyl, nitro or cyano; R 3 and R 5 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R 4 is halogen, haloalkyl, haloalkoxy or S(O) n R 6 where R 6 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2; having insecticidal activity. |