| 摘要 |
Pyrazoline derivatives of general formula (I), in which R1 and R2 are phenyl, optionally substituted by one or more of the same or different groups selected from cyano, halogen, nitro, C1-6-alkyl, C1-6-alkoxy, halo-C1-6-alkyl or halo-C1-6-alkoxy, in which at least one of the phenyl groups is substituted by cyano; R3 is phenyl or cyclohexyl, each of which is optionally substituted by one or more of the same or different groups selected from halogen, nitro, cyano, C1-6-alkyl, C1-6-alkoxy, halo-C1-6-alkyl, halo-C1-6-alkoxy, C1-6-alkylsulfonyl, halo-C1-6-alkylsulfonyl or C1-6-alkoxycarbonyl; and R4 is hydrogen, C1-6-alkyl, halo-C1-6-alkyl, C1-6-acyl, C1-6-alkoxycarbonyl or halo-C1-6-alkoxycarbonyl, have insecticidal and acaricidal activity. |
