A compound of formula (I): ** Formula ** in which: R1 and R1a are independently selected from the group consisting of cyano and -C (S) NR7R11; R3 and R3a are halogen; R4 and R4a are halogenoalkyl; R5 and R5a are independently selected from the group consisting of alkyl and -NR11R12; Z and Z1 are C-R3; R7 is selected from the group consisting of H and alkyl; R11 and R12 are hydrogen; R13 and R13a are -S (O) n-; L is alkyl; and n is independently 0, 1 or 2; or a salt thereof.Un compuesto de fórmula (I):**Fórmula** en la que: R1 y R1a se seleccionan independientemente del grupo que consiste en ciano y -C(S)NR7R11; R3 y R3a son halógeno; R4 y R4a son halogenoalquilo; R5 y R5a se seleccionan independientemente del grupo que consiste en alquilo y -NR11R12; Z y Z1 son C-R3; R7 se selecciona del grupo que consiste en H y alquilo; R11 y R12 son hidrógeno; R13 y R13a son -S(O)n-; L es alquilo; y n es independientemente 0, 1 o 2; o una sal del mismo.