Patent ID: 7759352

Claim:
A compound of formula I: or a pharmaceutically acceptable salt thereof; wherein X is N or CR 16 ; R 1 , R 2 , R 3 and R 4 are each independently selected from the group consisting of: (1) hydrogen, (2) halogen, (3) —OH, (4) —C 1-6 alkyl, and (5) —C 1-6 alkoxy, wherein alkyl and alkoxy are unsubstituted or substituted with one to five substituents independently selected from halogen, OH, C 1-6 alkyl, and C 1-6 alkoxy, or R 2 and R 3 or R 3 and R 4 together with the atoms to which they are attached form a 4-8 membered ring containing 0-2 heteroatoms ndependently selected from oxygen, and N—R 15 , and wherein the 4-8 membered ring is unsubstituted or substituted with a substituent selected from —OH, halogen, C 1-6 alkyl, and C 1-6 alkoxy; R 5 , R 6 and R 7 are each independently selected from the group consisting of: (1) hydrogen, (2) halogen, (3) —OH, (4) —C 1-6 alkyl, and (5) —C 1-6 alkoxy, wherein alkyl and alkoxy are unsubstituted or substituted with one to five substituents independently selected from halogen, —OH, C 1-6 alkyl, and C 1-6 alkoxy; R 8 is hydrogen; each R 9 is hydrogen; each R 10 is —C 1-6 alkyl; each R 15 is independently selected from the group consisting of: (1) hydrogen, (2) —C 1-6 alkyl, each R 16 is independently selected from the group consisting of: hydrogen, —OH and —C 1-6 alkyl; each n is independently 0, 1, 2, or 3; and p is 0, 1, or 2.