Patent ID: 7741351

Claim:
A compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein: R 1 is C 1-6 alkyl, haloC 1-6 alkyl, C 2-6 alkenyl, amino, monoC 1-4 alkylamino or diC 1-4 alkylamino; R 2 and R 3 , which may be the same or different, are hydrogen, halogen, C 1-6 alkyl, haloC 1-6 alkyl, C 1-4 alkoxy, haloC 1-4 alkoxy, cyano or amino; each R 4 , which may be the same or different, is C 1-6 alkyl, halogen, haloC 1-6 alkyl, C 1-4 alkoxy, haloC 1-4 alkoxy, cyano, nitro or amino; p is 0, 1 or 2; each R 5 , which may be the same or different, is C 1-6 alkyl, halogen, haloC 1-6 alkyl, C 1-4 alkoxy, haloC 1-4 alkoxy, cyano, nitro or amino; q is 0, 1 or 2; R 6 is —NR 6a SO 2 R 6b , —NR 6a C(═O)R 6b , —NR 6a (C═O)N(R 6c ) 2 , —(C═O)R 6d , —CH 2 NR 6a SO 2 R 6b , —CH 2 NR 6a C(═O)R 6b , —CH 2 NR 6a (C═O)N(R 6c ) 2 or —CH 2 (C═O)R 6d ; where R 6a and each R 6c , which may be the same or different, is hydrogen or C 1-6 alkyl; R 6b and R 6d are C 1-6 alkyl or haloC 1-6 alkyl; or R 6a and R 6b , or R 6a and R 6c together with the interconnecting atoms, may form a 5- or 6-membered ring; n is 1 or 2; and R 7 and R 8 , which may be the same or different, are hydrogen, halogen, C 1-6 alkyl, haloC 1-6 alkyl, C 1-4 alkoxy, haloC 1-4 alkoxy, cyano or amino.