A compound of formula I: ** Formula ** or pharmaceutically acceptable salts thereof, wherein: m is 0 to 3； X is: -NRa-； -OR-； or -S (O) r-, in which r is from 0 to 2 and Ra is hydrogen or C1-6 alkyl； Y is C or N； R1 is: C1-6 alkyl； C2-6 alkenyl； C2-6 alkynyl； halo C1-6 alkyl； C1-6 alkoxy-C1-6 alkyl； C1-6 hydroxyalkyl； aminoC 1-6 alkyl, wherein the amino group is optionally substituted with one or two alkyl； C1-6 alkylsulfonyl-C1-6 alkyl； C3-6 cycloalkyl optionally substituted with C1-6 alkyl； C3-6 cycloalkyl-C1-6 alkyl wherein the C3-6 cycloalkyl portion is optionally substituted with C1-6 alkyl； tetrahydrofuranoyl； tetrahydrofuranoyl-C 1-6 alkyl； oxetanyl； or oxetan-C1-6 alkyl； or R1 and Ra, together with the atoms to which they are attached, can form a three to six membered ring that can optionally include an additional heteroatom selected from O, N and S, and which is substituted with oxo, halo or C1 alkyl -6； R2 is: halo； C1-6 alkoxy； cyano； C2-6 alkynyl； C2-6 alkenyl； halo C1-6 alkyl； C1-6 haloalkoxy； C3-6 cycloalkyl, wherein the C3-6 cycloalkyl portion is optionally substituted with C1-6 alkyl； C3-6 cycloalkyl-C1-6 alkyl, wherein the C3-6 cycloalkyl portion is optionally substituted with C1-6 alkyl； tetrahydrofuranoyl； tetrahydrofuranoyl-C 1-6 alkyl； acetyl； oxetanyl； or oxetan-C1-6 alkyl； each of R3 and R4 is independently: halo； C1-6 alkyl； C1-6 alkoxy； C3-6 cycloalkyloxy； C1-6 haloalkyl； or haloC 1-6 alkoxy； and R5 is a 5-membered heteroaryl group optionally substituted one or more times with R6； and R6 is: C1-6 alkyl； C3-6 cycloalkyl； C3-6 cycloalkyl-C1-6 alkyl； halo； halo C1-6 alkyl； C1-6 alkoxy； heterocyclyl； oxo； or -C (O) -NRbRc, wherein each of Rb and Rc is independently hydrogen or -C 1-6 alkyl.Un compuesto de fórmula I:**Fórmula** o sales farmacéuticamente aceptables del mismo, en la que: m es de 0 a 3； X es: -NRa-； -O-； o -S(O)r-, en la que r es de 0 a 2 y Ra es hidrógeno o alquilo C1-6； Y es C o N； R1 es: alquilo C1-6； alquenilo C2-6； alquinilo C2
