| 摘要 |
Compounds of formula (I) are pesticides having activity against arthropods: <IMAGE> wherein R1, R2 and R3 are H, alkyl, alkoxy, halo, cyano or trifluoromethyl, or two of R1, R2 and R3 are linked to form a 3 or 4 carbon atom group; X is O or NA where A is H or alkyl; R is H or alkyl; and R4 and R5 are H, alkenyl or haloalkenyl or optionally substituted alkyl, aryl or aralkyl, or NR4R5 represents a heterocyclic ring; or an acid addition salt thereof. The invention further provides methods for the preparation of the compounds, pesticidal formulations containing them, and their use in controlling arthropod pests. |
