Patent ID: 8198267

Claim:
A compound of the formula in which R 1 is a group of the formula where # is the attachment site to the phenyl ring, R 5 is hydrogen or C 1 -C 3 -alkyl, in which alkyl may be substituted by a hydroxyl substituent, R 6 is hydrogen, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C 1 -C 3 -alkyl or C 1 -C 4 -alkoxy, in which alkoxy may be substituted by a substituent, which substituent is selected from the group consisting of halogen, hydroxy, trifluoromethyl, aminocarbonyl, C 1 -C 3 -alkoxy, C 1 -C 3 -alkylcarbonyl, C 1 -C 4 -alkylaminocarbonyl and morpholinocarbonyl, R 7 is hydrogen, C 1 -C 3 -alkyl or C 1 -C 4 -alkoxy, in which C 2 -C 3 -alkyl and C 2 -C 4 -alkoxy may be substituted by a hydroxyl substituent, R 8 is hydrogen or C 1 -C 3 -alkyl, in which C 2 -C 3 -alkyl may be substituted by a hydroxyl substituent, R 9 is hydrogen or C 1 -C 3 -alkyl, in which C 2 -C 3 -alkyl may be substituted by a hydroxyl substituent, R 2 is chlorine, trifluoromethyl, trifluoromethoxy, difluoromethoxy, methyl, ethyl, n-propyl, isopropyl, methoxy, ethoxy, methoxymethyl, ethoxymethyl or cyclopropyl, R 3 is hydrogen, C 1 -C 3 -alkoxy or C 1 -C 3 -alkylamino, R 4 is hydrogen or methyl, or a pharmaceutically acceptable salt thereof.