N-substituted aminonitrile derivatives of the formula (I) ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as hereinafter defined, useful as fungicides, method for their preparation, and fungicidal compositions containing the N-substituted aminonitrile derivatives of the formula (I).
公式(I)中的N-取代
氨基腈衍
生物,其式子如下:##EQU1##
其中R.sub.1,R.sub.2,R.sub.3和R.sub.4如下所定义,对于杀菌剂非常有用,其制备方法,以及含有公式(I)中的N-取代
氨基腈衍
生物的杀菌剂组合物。