Patent ID: 8906921

Claim:
A compound of formula (I) or a pharmaceutically acceptable salt or a solvate thereof, or a stereoisomeric form thereof, wherein R is hydrogen or C 1-6 alkyl; R 1 is phenyl; phenyl substituted with 1, 2 or 3 substituents each independently selected from the group consisting of halo, cyano, C 1-4 alky, C 1-4 alkyloxy, perfluoroC l-4 alkyl, and perfluoroC 1-4 alkyloxy; thienyl; thienyl substituted with 1 or 2 substituents selected from the group consisting of halo or C 1-4 alkyl;C 1-4 alkyl; or C 1-4 alkyl substituted with hydroxyl, C 3-8 cycloalkyl or and C 5-7 cycloalkenyl; R 2 is hydrogen or C 1-6 alkyl; R 3 is hydrogen, halo, C 1-4 alkyl, trifluoromethyl or cyano; R 4 is halo, trifluoromethyl or cyano; and R 5 is hydrogen, C 1-6 alkyl, C 3-8 cycloalkyl; C 3-8 cycloalkylC 1-4 alkyl or perfluoroC 1-4 alkyl.