Patent ID: 7582652

Claim:
A compound of Formula I: where: W is: X is N, or C—R 1 ; R is C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, (C 1 -C 7 alkylene)-(C 3 -C 7 cycloalkyl), —SO 2 —(C 1 -C 7 alkyl), or —SO 2 —NR 5 R 6 ; R 1 is hydrogen, amino, methyl, or —N═CH(NMe) 2 ; R 2 is phenyl optionally substituted with one or two substituents independently selected from halo; R 3 is hydrogen, C 1 -C 7 alkyl, C 3 -C 7 cycloalkyl, or phenyl optionally substituted with one or two substituents independently selected from halo and trifluoromethyl; R 4 is hydrogen or C 1 -C 7 alkyl; R 5 and R 6 are independently selected from the group consisting of C 1 -C 7 alkyl; or a pharmaceutically acceptable salt thereof.