Compound of general formula I: ** Formula ** or a salt thereof, wherein: A1 is hydrogen, CN, Cl, F, Br, OMe, (C1-4 alkyl) or cyclopropyl； A2 is hydrogen, Cl, Br, F, (C1-4 alkyl) or cyclopropyl； W is -C (>； = O) NR1- or -NR2C (>； = O) -； R1 and R2 are each hydrogen or methyl； L is a bond, - (CR3R4) n- (CRaRb) m- (CR5R6) - *, (C2-4) alkenylene, -O (C1-4 alkyl) - *, - (C1-4 alkyl) - O- *, - (C1-4 alkyl) -S - *, C3-6 cycloalkylene, or hetCyc1, in which * indicates the point of attachment to G, with the proviso that when W is -NR2C ( >； = O) -； then L is not - (CH>； = CH) -； m>； = 0, 1 or 2； n>； = 0 or 1； Ra and Rb are independently selected from hydrogen and (C1-4 alkyl)； R3 is hydrogen, (C1-4 alkyl) or CH2OH； R4 is hydrogen or methyl； R5 is hydrogen, (C1-4 alkyl), OH, -O (C1-4 alkyl) or F； R6 is hydrogen, F or methyl, or R5 and R6, together with the carbon to which they are attached, form a cyclopropyl ring, hetCyc1 is a group that has the formula in which t is 1 or 2 and p is 0 or 1, and * indicates the point of attachment to G； G is Ar1, Ar2, naphthyl, a benzocondensed (C5-6) cycloalkyl ring optionally substituted with one or more substituents independently selected from Cl and OMe, a 5-6 membered heterocyclic ring benzocondensate having 1-2 heteroatoms independently selected from O and N, a (C3-6) cycloalkyl ring optionally substituted with one or more substituents independently selected from (C1-4) alkyl, an oxaspirononanyl ring, or t-butyl.Compuesto de fórmula general I:**Fórmula** o una sal del mismo, en la que: A1 es hidrógeno, CN, Cl, F, Br, OMe, (alquilo de C1-4) o ciclopropilo； A2 es hidrógeno, Cl, Br, F, (alquilo de C1-4) o ciclopropilo； W es -C(>；=O)NR1- o -NR2C(>；=O)-； R1 y R2 son cada uno hidrógeno o metilo； L es un enlace, -(CR3R4)n-(CRaRb)m-(CR5R6)-*, alquenileno (C2-4), -O(alquilo de C1-4)-*, -(alquilo de C1-4)-O- *, -(alquilo de C1-4)-S-*,cicloalquileno (C3-6), o hetCyc1, en los que * indica el punto de unión a G, con la condición de q
