A compound of Formula (III): ** Formula ** or a pharmaceutically acceptable salt thereof where: R1 is selected from the group consisting of H, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3 cycloalkyl -C10, C4-C10 cycloalkenyl, -C (O) R5, C (O) OR5 and C (O) NR5R5； V is selected from the group consisting of a link, C (R4) 2, C (R4) C (R4) 2, C (R4) 2C (R4) 2R6, C (R4) 2C (R4) 2C (R4) 2R6, CO, -C (O) R6, C (S), C (S) R6, CH2C (O), CH2C (O) R6, CH2C (S), CH2C (S) R6, SO2 and SO2R6； A is a linking group -C (Ra) 2-Xa-, Xa is selected from the group consisting of O, C (R4) 2O, OC (R4) 2, NR5, CO, C (R4) 2CO, CONR5 , C (R4) 2NR5, NR5C (R4) 2, NR5C (O), NR5C (O) C (R4) 2, S, C (R4) 2S and SC (R4) 2.Un compuesto de Fórmula (III):**Fórmula** o una de sus sales farmacéuticamente aceptables donde: R1 se selecciona entre el grupo que consiste en H, alquilo C1-C10, alquenilo C2-C10, alquinilo C2-C10, cicloalquilo C3-C10, cicloalquenilo C4-C10, -C(O)R5, C(O)OR5 y C(O)NR5R5； V se selecciona entre el grupo que consiste en un enlace, C(R4)2, C(R4)C(R4)2, C(R4)2C(R4)2R6, C(R4)2C(R4)2C(R4)2R6, CO, -C(O)R6, C(S), C(S)R6, CH2C(O), CH2C(O)R6, CH2C(S), CH2C(S)R6, SO2 y SO2R6； A es un grupo de unión -C(Ra)2-Xa-, Xa se selecciona entre el grupo que consiste en O, C(R4)2O, OC(R4)2, NR5, CO, C(R4)2CO, CONR5, C(R4)2NR5, NR5C(R4)2, NR5C(O), NR5C(O)C(R4)2, S, C(R4)2S y SC(R4)2.
