A compound of the formula (I) ** Formula ** in which: R1 denotes Hal, R2, R3 each, independently of each other, denotes Ar or Het, Ar denotes phenyl, naphthyl, each of which is not substituted or mono-, di-, tetra- or pentas substituted by A, Hal, OA, OH, CHO, COA, NH2, NHA, NA2, NO2, COOA, COOH, CONH2, CONHA, CONA2, SO2A, CN, C (>； = NH) NH2, C (>； = NH) NHOH and / or Het, Het denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 atoms of N, O and / or S, which can be mono-di- or trisubstituted by Hal, A, OA, OH, CHO, COA, COOH, COOA, CN, NO2, NH2, NHA, NA2, CONH2, CONHA and / or CONA2, A denotes unbranched or branched alkyl having 1-10 atoms of C, in which 1-7 atoms of H can be replaced by OH, F, Cl and / or Br, or denotes cycloalkyl having 3-7 atoms of C, Hal denotes F, Cl, Br or I, and pharmaceutically usable salts, solvates and stereoisomers thereof, including mixtures thereof in all ratios.Un compuesto de la formula (I)**Fórmula** en la que: R1 denota Hal, R2, R3 cada uno, independientemente uno de otro, denotan Ar o Het, Ar denota fenilo, naftilo, cada uno de los cuales es no sustituido o mono-, di-, tetra- o pentasustituido por A, Hal, OA, OH, CHO, COA, NH2, NHA, NA2, NO2, COOA, COOH, CONH2, CONHA, CONA2, SO2A, CN, C(>；=NH)NH2, C(>；=NH)NHOH y/o Het, Het denota un heterociclo aromático mono- o bicíclico que tiene de 1 a 4 átomos de N, O y/o S, que pueden ser mono- di- o trisustituidos por Hal, A, OA, OH, CHO, COA, COOH, COOA, CN, NO2, NH2, NHA, NA2, CONH2, CONHA y/o CONA2, A denota alquilo no ramificado o ramificado que tiene de 1-10 átomos de C, en el que 1-7 átomos de H pueden ser reemplazados por OH, F, Cl y/o Br, o denota cicloalquilo que tiene de 3-7 átomos de C, Hal denota F, Cl, Br o I, y sales, solvatos y estereoisómeros farmacéuticamente utilizables de los mismos, incluyendo mezclas de los mismos en todas las relaciones.
