Patent ID: 7169809

Claim:
A compound of Formula I or a pharmaceutically acceptable salt thereof, wherein: n is an integer from 3 to 6; R 1 is selected from the group consisting of: (a) S(O) 2 CH 3 , (b) S(O) 2 NH 2 , (c) S(O) 2 NHC(O)CF 3 , (d) S(O)(NH)CH 3 , (e) S(O)(NH)NH 2 , (f) S(O)(NH)NHC(O)CF 3 , (g) P(O)(CH 3 )OH, and (h) P(O)(CH 3 )NH 2 ; R 2 and R 3 each are independently selected from the group consisting of: (a) hydrogen, (b) halo, (c) C 1-6 alkoxy, (d) C 1-6 alkylthio, (e) CN, (f) CF 3 , (g) C 1-6 alkyl, and (h) N 3 ; R 4 is selected from the group consisting of (a) —C(O)—C 1-4 alkyl and (b) —C(O)—(CH 2 ) m —N(R 5 )(R 6 ); m is an integer from 1 to 4; and R 5 and R 6 are each independently selected from the group consisting of hydrogen and C 1-4 alkyl, optionally substituted with 1 to 3 halo groups.