Patent ID: 8071606

Claim:
A compound of Formula (I) wherein: R 1 is H, (C 1 -C 3 )alkyl, or halo-substituted (C 1 -C 3 )alkyl; R 2 is H or (C 1 -C 3 )alkyl; R 3 is 5- or 6-membered heteroaryl containing one or two nitrogen heteroatoms, where said heteroaryl is optionally substituted with R 3a , where R 3a is (C 1 -C 3 )alkyl, â€”CF 3 , cyano, (C 1 -C 3 )alkoxy, halo, amino, (C 1 -C 3 )alkylamino-, di-(C 1 -C 3 )alkylamino-, â€”C(O)OR 3b , â€”(C 1 -C 3 )alkylC(O)OR 3b , â€”C(O)NR 3b R 3c , or aryl(C 1 -C 3 )alkyl-, where R 3b and R 3c are each independently H or (C 1 -C 3 )alkyl, and where the aryl of said aryl(C 1 -C 3 )alkyl is optionally substituted with (C 1 -C 3 )alkyl, â€”CF 3 , cyano, (C 1 -C 3 )alkoxy, or halo; R 4 is (C 1 -C 6 )alkyl or W is â€”CH 2 or O; and m is 0, 1 or 2; or a pharmaceutically acceptable salt thereof.