| abstract |
Compounds of formula I. in which mean: R¹, R², R³ independently of one another are hydrogen, F, Cl, Br or (C₁-C₄) alkyl; R¹ also CF₃, CN, NO₂ or alkox ycarbonyl; A is a direct bond, -CH₂CH₂- or -CH = CH-, XO, S or N-R⁸, R⁴ H or alkyl, R⁵ and R⁶ alkyl, R⁷ alkyl, (subst.) Benzyl and / or (subst.) Phenethyl, R⁸ H or alkyl or together with NR⁷ represent a heterocyclic ring, are effective herbicides and antidotes. |