| 摘要 |
4-Cyano-4'-[N-(N'-substituted-benzoyl)-ureido]-diphenyl ethers of the formula <IMAGE> (I) in which R1 represents halogen or alkyl, R2 represents chlorine, bromine or hydrogen, R3 represents bromine or hydrogen, and n represents 1, 2, 3, 4 or 5, which possess arthropodicidal properties. |
