Triazole compounds useful in therapy

A compound of formula (II) or a pharmaceutically acceptable salt thereof:

• wherein:
• W is —O—, —S(O)a—, or —N(R1)—
• R1 is H, C1-6 alkyl, (CH2)bCOR2, CO(CH2)bNR2R3, SO2R2, (CH2)cOR2, (CH2)cNR2R3, or (CH2)bhet1;
• het1 is a saturated or unsaturated heterocycle of from 3 to 8 atoms containing one to four heteroatoms selected from O, N, or S, optionally substituted with C1-6 alkyl;
• X and Y are each independently H, C1-6 alkyl, halogen, OH, CF3, OCF3, or OR4;
• Ring A is a 4-7 membered, saturated N-containing heterocycle, optionally substituted with OH, and in which optionally at least one ring N is substituted with O;
• Ring B is phenyl or a 4-7 membered unsaturated N-containing heterocycle, optionally substituted with OH, halogen, CN, CONH2, CF3, or OCF3, and in which optionally at least one ring N is substituted with O;
• R2 and R3 are each independently H, C1-6 alkyl, C1-6 alkyloxy, N(C1-6 alkyl)2, or C3-8 cycloalkyl;
• wherein said C1-6 alkyl is optionally substituted with OH, halogen, N(C1-6 alkyl)2, or C1-6 alkyloxy;
• or R2 and R3 are taken together with the nitrogen atom to which they are attached to form a heterocycle of from 3 to 8 atoms, optionally substituted with C1-6 alkyl;
• R4 is C1-6 alkyl;
• a, n and c are each independently 0, 1, or 2;
• and
• b is 0 or 1.