Patent ID: 6881743

Claim:
A method for treating osteoarthritis in a mammal comprising administering to the mammal an MMP-13 inhibiting amount of a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein: R 1 and R 2 independently are hydrogen, halo, hydroxy, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, NO 2 , NR 4 R 5 , CN, or CF 3 ; E is independently O or S; A and B independently are NR 4 R 5 , wherein R 4 is hydrogen and R 5 is (CH 2 ) n (1,3-benzodioxolyl); R 4 and R 5 independently are H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, (CH 2 ) n aryl, (CH 2 ) n cycloalkyl, (CH 2 ) n heteroaryl, or R 4 and R 5 when taken together with the nitrogen to which they are attached complete a 3- to 8-membered ring containing carbon atoms and optionally containing a heteroatom selected from O, S, or NH, and optionally substituted or unsubstituted; n is an integer from 0 to 6.