A substituted carboxylic acid derivative which is fungicidally active is provided. The compound has the formula: ##STR1## wherein R.sub.1 stands for a methyl or ethyl group, A stands for ##STR2## R.sub.2 stands for a methyl, ethyl or trifluoromethyl group, R.sub.3 stands for a methyl group or a halogen or hydrogen atom, R.sub.4 stands for a fluorine or hydrogen atom, R.sub.5 stands for a methyl, nitro or trifluoromethyl group or a halogen atom, Z stands for a .dbd.CH-- group or an N atom, R.sub.6 stands for a methyl, ethyl or trifluoromethyl group and R.sub.7 stands for an amino or methyl group or a chlorine atom.
提供了一种具有杀真菌活性的取代
羧酸衍
生物。该化合物的
化学式为:##STR1##其中R.sub.1代表甲基或乙基基团,A代表##STR2##R.sub.2代表甲基、乙基或三
氟甲基基团,R.sub.3代表甲基基团或卤素或氢原子,R.sub.4代表
氟原子或氢原子,R.sub.5代表甲基、硝基或三
氟甲基基团或卤素原子,Z代表.dbd.CH--基团或一个氮原子,R.sub.6代表甲基、乙基或三
氟甲基基团,R.sub.7代表
氨基或甲基基团或
氯原子。