Compounds substituted aniline.

Compounds substituted aniline of formula 1 where the variables R21, R22 and R23 have the following meanings: R21 alkoxymethyl having 1 to 3 carbon atoms, alcoximinometilo with 1 to 3 carbon atoms, alkoxycarbonyl having 1 to 3 carbon atoms, CN alkyl having 1 to 3 carbon atoms; R22 Cl, Br, alkyl having 1 to 3 carbon atoms; R23 hydrogen, alkoxymethyl with 1 to 3 carbon atoms, alkoxycarbonyl having 1 to 3 carbon atoms, CN, Cl, Br, alkyl having 1 to 3 carbon atoms; - representing at least one of R23 or R21 moieties alkoxycarbonyl with 1 to 3 carbon atoms, or a functional derivative thereof, or alkoxymethyl having 1 to 3 carbon atoms; - no meaning hydrogen R23, and R22 and R23 not having the same meaning if R 21 represents alkoxycarbonyl with 1 to 3 carbon atoms or CN; - not having R22 the same meaning as R21 when R21 represents alkyl having 1 to 3 carbon atoms and R23 represents alkoxycarbonyl with 1 to 3 carbon atoms, and not significandoR22 and Cl if R21 represents CH3 and R23 represents alkoxycarbonyl with 1 to 3 atoms carbon; - not representing R23 hydrogen if R21 represents alkoxymethyl having 1 to 3 carbon atoms, and salts thereof, except the compounds of formula 1, wherein a) R21 and R23 is CN and R22 represents CH3, b) represents CN, R22 represents CH3 and R23 represents CO2CH3.