Benzotriazolesulfonic acid derivatives of formula I ##STR1## wherein R.sub.3 =R.sub.4 X and R.sub.4 is an unsaturated 6-membered heterocycle having a maximum of 2 nitrogen atoms, it being possible for the heterocycle to be substituted, and X is oxygen or sulfur, while R.sub.1 and R.sub.2 are as defined herein, are valuable microbicides. They can be used in plant protection in the form of suitable compositions, for example for controlling fungal diseases.
公式I的苯并
三唑磺酸衍
生物
##STR1##
其中R.sub.3 = R.sub.4 X,R.sub.4是具有最多2个氮原子的不饱和6元杂环,杂环可以被取代,X是氧或
硫,而R.sub.1和R.sub.2如定义所述,是有价值的微
生物杀灭剂。它们可以以适当的组合形式用于植物保护,例如用于控制真菌病。