Imidazole and triazole containing bicyclic compounds as JAK inhibitors

A compound of formula (I):

• or a pharmaceutically acceptable salt thereof, wherein
• X1 and X2 are each independently selected from N and CH;
• is selected from the group consisting of
• Ra, Rb, Rc, and Rf are each independently selected from the group consisting of H and C1-3 alkyl;
• Rd, Re, Rg, Rh, Ri, Rj, Rl, Rm, Rn and Ro are each independently selected from the group consisting of H and C1-3 alkyl wherein the C1-3 alkyl group may be optionally substituted with 1 to 3 halogens;
• A is selected from the group consisting of
• (a) a 4 to 8 membered monocyclic heterocyclic group containing one nitrogen atom and optionally containing one additional heteroatom selected from N, S, S(O)2 and O, and
• (b) a 6 to 10 membered multicyclic heterocyclic group containing one nitrogen atom and optionally containing one additional heteroatom selected from N, S, S(O)2 and O,
• wherein L is linked to a carbon atom in A and A is optionally substituted with 1 to 3 Rk groups;
• each Rk is independently selected from the group consisting of F, CN, C1-3 alkoxy, and C1-3 alkyl, wherein the C1-3 alkyl group may be optionally substituted with OH, OMe or 1 to 3 halogens;
• R1 is selected from the group consisting of:
• wherein Rp and Rq are each independently selected from the group consisting of H, C3-5 cycloalkyl and C1-6 alkyl;
• R2 is selected from the group consisting of H, Cl, OMe, Me and F;
• R3 is selected from the group consisting of H, Me, Et, CF3, OMe, and F;
• R4 is selected from the group consisting of H, Me, OMe, Cl, and F;
• and
• R5 is selected from the group consisting of H, Me, Et, and F.