Patent ID: 6900233

Claim:
A compound of formula I wherein: R 1 is C 7 -C 22 -alkyl; C 4 -C 20 -alkoxy-, C 6 -C 10 -aryl-, C 6 -C 10 -aryloxy- or C 4 -C 12 -alkoxy-C 2 -C 4 -alkoxy-substituted C 2 -C 4 -alkyl, wherein the C 6 -C 10 aryl is a phenyl or naphthyl that is substitued one or more times by C 1 -C 8 -alkyloxy, nitro or CF 3 , C 7 -C 20 -alkenyl; 3β-cholestan-3-yl; or phenyl that is substituted by phenoxy; and R 2 , R 3 , R 4 and R 5 are each, independently, hydrogen; halogen; nitro; amino; CF 3 ; OCF 3 ; C 1 -C 4 -alkyl, C 1 -C 9 -alkyloxy, C 6 -C 10 -aryl-C 1 -C 4 -alkyloxy, C 6 -C 10 -aryloxy, C 6 -C 10 -aryl, C 1 -C 4 -alkylamino, di-C 1 -C 4 -alkyl-amino, or C 1 -C 4 -alkylcarbonylamino, wherein the alkyl is optionally substituted one or more times by halogen, hydroxy, di-C 1 -C 4 -alkylamino, CF 3 , C 1 -C 4 -alkyloxy or C 1 -C 4 -alkyl, and the aryl is optionally substituted one or more times by halogen, C 1 -C 9 -alkyl, C 1 -C 8 -alkyloxy or CF 3 ; or C 3 -C 8 -cycloalkyl or C 3 -C 8 -cycloalkyloxy, wherein the cycloalkyl is optionally substituted one or more times by halogen, CF 3 , C 1 -C 4 -alkyloxy, C 1 -C 4 -alkyl or C 6 -C 10 -aryl; or a prodrug, solvate, pharmaceutically acceptable basic salt or acid addition salt thereof.