Patent ID: 7179943

Claim:
A compound having formula (I): or a tautomer thereof, or a pharmaceutically acceptable salt thereof or both, wherein: X is a bond or CR 4 R 5 ; R 1 , R 2 , R 4 , and R 5 are, independently, hydrogen or a C 1 to C 6 alkyl; R 3 and R 6 are, independently hydrogen or a C 1 to C 6 alkyl; R 7 and R 8 are, independently, hydrogen, a halogen atom, a hydroxyl group, a C 1 to C 6 alkyl, a C 1 to C 6 alkoxy, a C 1 to C 4 perhalogenated alkyl, a C 1 to C 4 perhalogenated alkoxy, a C 2 to C 7 alkenyl, CN, NO 2 , CO 2 R 9 , COR 9 , alkanesulfonyl, or NR 9 R 10 ; m and n are, independently, 0 or 1; and R 9 and R 10 are, independently, hydrogen or a C 1 to C 6 alkyl.