Fungicidal compounds of the formula: ##STR1## wherein R.sub.3 is hydrogen, R.sub.4 is phenyl optionally substituted with one halogen, and R.sub.5 is alkyl having up to 5 carbon atoms, alkenyl having up to 5 carbon atoms, alkynyl having up to 5 carbon atoms or monochlorophenoxymethyl or R.sub.5 is benzyl optionally ring substituted with up to three substituents selected from the class consisting of halogen, alkyl having up to 4 carbon atoms and alkoxy having up to 4 carbon atoms, or a fungicidal acid salt of such a compound.
式子为:##STR1## 其中 R.sub.3 是氢,R.sub.4 是苯,可以选择一个卤素进行取代,R.sub.5 是具有高达5个碳原子的烷基,具有高达5个碳原子的烯基,具有高达5个碳原子的炔基或单
氯苯氧甲基,或R.sub.5 是苯甲基,可以选择最多三个取代基,所选取代基来自于卤素,具有高达4个碳原子的烷基和具有高达4个碳原子的烷氧基,或该化合物的杀真菌酸盐。