| abstract |
ABSTRACT Guanidine derivatives of the formula in which R2 represents a six-membered aromatic hetero cyclic structure which contains at least one nitrogen atom and is substituted by halogen, amino, cyano or formyl and/or by optionally sub-stituted radicals from the series comprising alkyl, alkoxy, alkylamino, dialkylamino, alkyl-carbonyl and alkoxycarbonyl, and/or is optionally fused, R3 represents hydrogen, an optionally substituted radical from the series comprising alkyl, cyclo-alkyl, alkenyl, alkinyl and aralkyl, or the radical -S(O)n-R6, the other radicals can have varied meanings, and acid adducts and salts thereof, which possess herbicidal and plant growth regulating activity. Le A 22 435-CA |