Patent ID: 7005450

Claim:
A method of treating osteoarthritis in a subject in need of such treatment, the method comprising administering to said subject an effective amount of a compound of Formula I: or a pharmaceutically acceptable salt thereof, wherein: R 1 is selected from the group consisting of hydrogen, halo, C 1 -C 5 alkyl and C 1 -C 5 alkyl substituted by alkoxy or one or more halo; R 2 is selected from the group consisting of hydrogen, halo, C 1 -C 5 alkyl and C 1 -C 5 alkyl substituted by alkoxy or one or more halo; R 3 is C 1 -C 5 alkyl or C 1 -C 5 alkyl be substituted by alkoxy or one or more halo.