Triazoles as KV3 inhibitors

A compound of formula (I):

• wherein:
• W is group (Wa), group (Wb) or group (Wc):
• wherein:
• R1 is H, C1-4alkyl, halo, haloC1-4alkyl, CN, C1-4alkoxy, or haloC1-4 alkoxy;
• R2 is H, C1-4alkyl, C3-5spiro carbocyclyl, haloC1-4alkyl or halo;
• R3 is H, C1-4alkyl, haloC1-4alkyl, halo;
• or R3 is absent;
• R13 is H, C1-4alkyl, haloC1-4alkyl, halo;
• or R13 is absent;
• R14 is H, C1-4alkyl, haloC1-4alkyl, halo;
• or R14 is absent;
• A is a 5 or 6 membered saturated or unsaturated heterocycle, with at least one O atom;
• which heterocycle is optionally fused with a cyclopropyl group, or a cyclobutyl group, or a cyclopentyl group to form a tricycle when considered together with the phenyl;
• X is CH or N;
• Y is CR15 or N;
• wherein R15 is H or C1-4alkyl;
• R22 is H, Cl, F, or C1-4alkyl;
• R23 is H, C1-4alkyl, CI, CF3, O-C1-4alkyl, OCF3 or N(CH3)2;
• R24 is H, Cl, F, C1-4alkyl, O-C1-4alkyl, CN, OCF3 or CF3;
• R25 is H, Cl, F, O-C1-4alkyl or C1-4alkyl;
• and
• R26 is H or C1-4alkyl;
• wherein for R22 to R26, C1-4alkyl may be substituted by O-methyl;
• with the provisos that:
• not all of R22 to R26 may be H;
• when R4 is H, then R23 is methyl or CF3 and R22, R24, R25 and R26 are all H;
• when one of R22, R24, R25 or R26 is F, then at least one of R22 to R26 cannot be H or F;
• and
• when R24 is not H, at least one of R22 or R23 is not H,
• R4 is H or C1-4alkyl;
• wherein R2 and R3 may be attached to the same or a different ring atom;
• R2 may be attached to a fused ring atom;
• and wherein R13 and R14 may be attached to the same or a different ring atom;
• or a pharmaceutically acceptable salt thereof.