Hydrazino-acetanilide derivatives of the formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, R.sub.2 is C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, R.sub.3 is hydrogen, C.sub.1 -C.sub.3 alkyl or halogen, R.sub.4 is hydrogen or methyl, with the total number of C atoms of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 in the phenyl ring not exceeding 6, R.sub.5 is C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen, or it is phenyl which is unsubstituted or substituted by methyl, nitro and/or halogen, or it is the benzyl group, and R.sub.6 is hydrogen or C.sub.1 -C.sub.5 alkyl, possess valuable microbicidal properties, and contained in appropriate compositions these derivatives can be used in particular for combating phytopathogenic fungi.
式I的
肼基
乙酰苯胺衍
生物
其中,R1为C1-C4烷基,C1-C4烷氧基或卤素,R2为C1-C3烷基,C1-C4烷氧基或卤素,R3为氢,C1-C3烷基或卤素,R4为氢或甲基,苯环上取代基R1、R2、R3和R4的C原子总数不超过6,R5为C1-C5烷基,未取代或被卤素取代,或为未取代或被甲基、硝基和/或卤素取代的苯基,或为苄基;R6为氢或C1-C5烷基。这些衍
生物具有有价值的杀菌性能,适当配制后可用于特别对抗植物病原真菌。