A compound of Formula (I): ** Formula ** or a pharmaceutically acceptable salt thereof； in which: Y is selected between C (>； = O) and S (>； = O) 2； Ar2 is phenyl； wherein said phenyl is substituted in an ortho position with a group J and with m groups Rz independently selected； L2 is selected from C4 linear chain alkylene, C5 linear chain alkylene and C6 linear chain alkylene, each of which is optionally substituted with 1, 2 or 3 Rx groups； Cy1 is selected from C6-10 aryl； which is substituted with n independently selected Ry groups； L1 is selected from a bond and C1-4 alkylene； R1 is selected from H, C1-4 alkyl and C1-4 haloalkyl； J is amino； each Rx is independently selected from halogen, hydroxyl, C1-4 alkyl and C1-4 alkoxy； each Ry is independently selected from halogen, C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy, C1-6 haloalkoxy, C3-7 cycloalkyl and C2-6 heterocycloalkyl； wherein said C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy and C1-6 haloalkoxy are each optionally substituted with 1, 2 or 3 independently selected Ry 'groups； and wherein said C3-7 cycloalkyl and C2-6 heterocycloalkyl are each optionally substituted with 1 or 2 independently selected Ry groups "with the proviso that only one Ry is selected from optionally substituted C3-7 cycloalkyl and C2- heterocycloalkyl. 6； each Rz is independently selected from halogen, C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy and C1-6 haloalkoxy； wherein said C1-6 alkyl, C1-6 haloalkyl, C1-6 alkoxy and haloalkoxy C1-6 are each optionally substituted with 1 or 2 independently selected Rz 'groups； each Ry' and Rz 'is independently selected from hydroxyl, C1-4 alkoxy and C1-4 haloalkoxy； each Ry "is independently selected from halogen, hydroxyl , C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy and C1-4 haloalkoxy； n is an integer selected from 0, 1 and 2； and m is an integer selected from 0, 1 and 2.Un compuesto de Fórmula (I):**Fórmula** o una de sus sales farmacéuticamente aceptables； en la que: Y se selecciona entre C(>；=O) y S(
