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US5929118A Fluorobutenic acid hydrazides 失效
氟丁酸酰肼

Fluorobutenic acid hydrazides
摘要:
The present invention relates to novel fluorobutenic acid hydrazides of the formula (I) ##STR1## in which Y represents C.dbd.O, C.dbd.S or SO.sub.2,R.sup.1 represents hydrogen or halogen andR.sup.2 represents alkyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl, alkenyl, alkenyloxy, alkoxy, cycloalkyloxy, alkylthio or respectively optionally substituted aryl, aralkyl, aralkyloxy or hetaryl,to processes for their preparation and to their use for controlling animal pests.
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