Patent ID: 8372857

Claim:
A compound of formula I or a pharmaceutically acceptable salt thereof, or a stereoisomer thereof, or a pharmaceutically acceptable salt of the stereoisomer thereof: R 1 is selected from —C 1-10 alkyl, —C 2-10 alkenyl, —C 2-10 alkynyl, and —C 1-6 alkoxy, wherein in R 1 said alkyl, alkenyl, alkynyl, and alkoxy are each optionally substituted with 1, 2, or 3 R 8 substituents; R 2 and R 3 are each independently selected from hydrogen, and —C 1-10 alkyl optionally substituted with 1, 2, or 3 substituents selected from halo, hydroxyl, and —OC 1-10 alkyl; V, W, X, Y, and Z are each independently selected from N and CH, wherein V, W, X, Y or Z is substituted with one or two nitrogens, and at least one of V or W must be N; and R 8 is selected from halogen, hydroxyl, —C 1-10 alkyl, —C 1-10 alkenyl, —C 1-10 alkynyl, cyano, oxo, C 2-6 -difluoromethoxy, trifluoromethoxy, and 2,2,2-trifluorethoxy.