Patent ID: 7173052

Claim:
A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R is a (C 3 â€“C 8 )cycloalkyl ring substituted by one of â€”N(R 1 )SO 2 (CHR 1 ) n R 2 or â€”(C 1 â€“C 6 )alkylN(R 1 )SO 2 (CHR 1 ) n R 2 , wherein each R 1 is independently selected from hydrogen, (C 1 â€“C 6 )alkyl, phenyl and benzyl; R 2 is thienyl, optionally substituted with one or more substituents independently selected from halogen, OH, â€”(C 1 â€“C 6 )alkyl, â€”(C 1 â€“C 6 )alkoxy, trifluoromethoxy, â€”S(O) m (C 1 â€“C 6 )alkyl, amino, â€”N(R 1 )CO(C 1 â€“C 6 )alkyl, COOR 1 , â€”(C 1 â€“C 6 )alkylCOOR 1 , â€”CO(C 1 â€“C 6 )alkyl, â€”(C 1 â€“C 6 )alkylOH, â€”(C 1 â€“C 6 )alkylamino, di-((C 1 â€“C 6 )alkyl)amino, nitro, cyano, â€”CONH(CHR 1 ) n CO 2 R 1 , â€”CONR 1 N(R 1 ) 2 , trifluoromethyl, aryl, heteroaryl, and heterocycloalkyl; n is an integer from 0 to 6; and m is an integer from 0 to 2.