Patent ID: 8278335

Claim:
A compound of the formula wherein W is N or CR 3 ; R 1 is substituted aryl or substituted heteroaryl, wherein said aryl and heteroaryl groups are independently substituted with one to three substituents selected from the group consisting of halo, hydroxyl, C 1-6 alkyl, C 1-6 haloalkyl, (C 1-6 alkyl)OH, (C 1-6 alkyl)CN and heterocyclyl; R 2 is hydrogen, C 1-6 alkyl, (C 1-6 alkyl)OH or SO m (C 1-6 alkyl); R 3 is hydrogen, C 1-6 alkyl or (C 1-3 alkyl)O(C 1-6 alkyl); wherein said alkyl groups are optionally substituted with one to three substituents independently selected from the group consisting of halo, hydroxyl, cyano, C 1-6 alkyl, C 1-6 haloalkyl, (C 1-6 alkyl)OH, heteroaryl (which is optionally substituted with C(O)NR 4 R 5 ) and heterocyclyl; or R 2 and R 3 can be taken together with the carbon atoms to which they are attached to form a five or six membered heterocyclic ring, which is optionally substituted with one to two substituents independently selected from the group consisting of C 1-3 alkyl or oxo; R 4 is hydrogen or C 1-3 alkyl, R 5 is hydrogen or C 1-3 alkyl, m is an integer from zero to two; or a pharmaceutically acceptable salt or stereoisomer thereof.