Patent ID: 7504506

Claim:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein, R 1 is aryl(C 0 -C 6 alkyl)-K-( C 0 -C 6 alkyl); wherein K is O, or S; R 3 is H, or methyl; each R 5 is independently H, or C 1 -C 6 alkyl, each R 6 is independently H or C 1 -C 6 alkyl; R 8 is C 1 -C 6 alkyl; which is further substituted with N(R 5 ) 2 ; X is NSO 2 R 9 ,NR 9 , NC(O)R 9 , NC(O)OR 9 , NC(O)NR 3 R 9 ; Y is CH 2 ; and each R 9 is independently H, or C 1 -C 6 alkyl; Cy is aryl; m is 0.