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6种新型苯甲酰基脲类几丁质抑制剂对小菜蛾进行了室内生物活性试验。结果表明,供试的6种化合物对小菜蛾均有不同程度的毒杀活性。其中9a～9d的杀虫活性较好.
Six new benzoylurea-based chitin inhibitors were tested for their bioactivity against Plutella xylostella. The results showed that the six compounds tested had different levels of toxicity to Plutella xylostella. The 9a ~ 9d insecticidal activity is better.