| 摘要 |
Fungicidal compositions comprise a compound of formula I <IMAGE> I in which R1 and R3 are hydrogen, alkyl or alkenyl; R2 is alkyl optionally substituted by a 5 or 6 membered oxygen containing ring or by phenyl (optionally substituted) and one of R4 and R5 is-CN and the other is a carboxylic ester or amide group. Many of the compounds are novel. |
