Patent ID: 8791120

Claim:
A compound of formula (I) or a stereoisomeric form thereof, wherein R 1 is trifluoromethyl; R 2 is selected from the group consisting of phenyl; phenyl substituted with 1, 2 or 3 substituents each independently selected from the group consisting of halo, cyano, C 1-4 alkyl, C 1-4 alkyloxy, C 1-4 alkylsulfonyl, perfluoroC 1-4 alkyl, diC 1-4 alkylamino, hydroxyl, and phenyl substituted with 1, 2 or 3 substituents each independently selected from the group consisting of halo, C 1-4 alkyl and perfluoroC 1-4 alkyl; thienyl; thienyl substituted with 1 or 2 substituents each independently selected from the group consisting of halo and C 1-4 alkyl; naphthyl; pyridinyl; pyrrolyl; benzothiazolyl; indolyl; quinolinyl; C 3-8 cycloalkyl; or C 5-7 cycloalkenyl; R 3 is hydrogen; R 4 and R 5 are each independently selected from the group consisting of hydrogen or methyl; n is 1; R 6 is selected from the group consisting of hydrogen, ethyl or (3,5-difluorophenyl)methyl; or R 5 and R 6 together form 1,3-propanediyl; or a pharmaceutically acceptable salt thereof.