New benzamidines of formula (I) ** Formula ** in which R1 represents hydrogen, linear or branched C1-12 alkyl, C2-5 alkenyl, C2-3 alkynyl, alkoxy, C3-8 cycloalkyl, haloalkyl, alkoxyalkyl, phenyl, α- or β-naphthyl, aralkyl, alkylaminocarbonyl, arylaminocarbonyl or dialkylaminoalkyl, R2 represents hydrogen or linear or branched C1-12 alkyl, R1 and R2 can form, together with an N atom to which they are attached, pyrrolidine, piperidine or morpholine, R3 represents hydrogen, linear or branched C1-12 alkyl, haloalkyl, cyano or phenyl, α- or β-naphthyl, R1 and R3 can form, together with an N atom and a C atom to which they are attached, pyrrolidine or Piperidine optionally substituted with oxo, X1, X2, X3 and X4 may be the same or different and represent hydrogen, halogen, linear or branched C1-12 alkyl, haloalkyl, haloalkoxy, alkoxycarbonyl, nitro or cyano, A represents trifluoroethyl, and n represents 0 or one.Nuevas benzamidinas de fórmula (I)**Fórmula** en la que R1 representa hidrógeno, alquilo C1-12 lineal o ramificado, alquenilo C2-5, alquinilo C2-3, alcoxi, cicloalquilo C3-8, haloalquilo, alcoxialquilo, fenilo, α- o β-naftilo, aralquilo, alquilaminocarbonilo, arilaminocarbonilo o dialquilaminoalquilo, R2 representa hidrógeno o alquilo C1-12 lineal o ramificado, R1 y R2 pueden formar, junto con un átomo de N al que están unidos, pirrolidina, piperidina o morfolina, R3 representa hidrógeno, alquilo C1-12 lineal o ramificado, haloalquilo, ciano o fenilo, α- o β-naftilo, R1 y R3 pueden formar, junto con un átomo de N y un átomo de C a los que están unidos, pirrolidina o piperidina opcionalmente sustituidas con oxo, X1, X2, X3 y X4 pueden ser iguales o diferentes y representan hidrógeno, halógeno, alquilo C1-12 lineal o ramificado, haloalquilo, haloalcoxi, alcoxicarbonilo, nitro o ciano, A representa trifluoroetilo, y n representa 0 o 1.