Patent ID: 8642601

Claim:
A compound of formula I or a pharmaceutically acceptable salt thereof, wherein: m is from 0 to 2; n is from 0 to 2; p is from 0 to 3; X is CH or N; each R 1 is independently: hydrogen; or C 1-6 alkyl; each R 2 is independently: C 1-6 alkyl; C 1-6 alkoxy halo-C 1-6 alkyl; or halo-C 1-6 alkoxy; R 3 is: C 1-6 alkylsulfonyl-C 1-6 alkyl; thiophenyl-1,1-oxide-C 1-6 alkyl; or tetrahydrothiopyran-1,1-oxide-C 1-6 alkyl; each R 4 is independently: C 1-6 alkyl; C 1-6 alkoxy halo-C 1-6 alkyl; or halo-C 1-6 alkoxy; R 5 is a group of formula (a) or (b): wherein: q is 0 or 1; r is 0 or 1; Y is: NR 9 ; or CR 10 R 11 ; R 6 and R 7 each independently is: hydrogen; or C 1-6 alkyl; or R 6 and R 7 together form a C 1-2 alkylene; R 8 is: hydrogen; or C 1-6 alkyl; R 9 is: hydrogen; or C 1-6 alkyl; R 10 is: hydrogen; or C 1-6 alkyl; and R 11 is: C 1-6 alkyl; hydroxy-C 1-6 alkyl; carboxy; carboxy-C 1-6 alkyl; carboxy-C 1-6 alkyl ester; or carboxy-C 1 - 6 alkyl ester.