| 摘要 |
Compounds of the formula <IMAGE> IN WHICH R1 is a lower alkyl, lower haloalkyl or lower alkenyl group, R2 is hydrogen, halogen, lower alkoxy, lower alkyl, cyano, or a nitro group, and n is an integer between 1 and 5, R2 being the same or different when n is greater than 1; and their use in controlling pests, e.g. acarids, fungi, helminths and protozoa which cause coccidiosis.
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