Patent ID: 8716282

Claim:
A compound of formula (I) or a stereoisomeric form thereof, wherein R 1 is pyridinyl; pyridinyl optionally substituted with halogen, C 1-4 alkyl, trifluoromethyl or C 1-4 alkyloxy; tetrahydropyranyl; or NR 6 R 7 ; R 2 is hydrogen, C 1-4 alkyl, trifluoromethyl, C 3-8 cycloalkyl, or C 1-4 alkyloxy; R 3 is hydrogen, chloro, C 1-4 alkyl, trifluoromethyl, or C 3-8 cycloalkyl; Het is a 5- or 6-membered heterocyclic ring selected from the group consisting of pyridinyl, pyrimidinyl, pyridazinyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isothiazolyl, isoxazolyl, oxadiazolyl and triazolyl; R 4 is hydrogen, C 1-4 alkyl, trifluoromethylC 0-4 alkyl, hydroxyC 1-4 alkyl, difluorocyclopropylmethyl, cyclopropyldifluoroethyl, C 3-8 cycloalkyl, C 1-4 alkyloxyC 1-5 alkyl, C 1-4 alkyloxy, trifluoromethylC 0-4 alkyloxy, C 3-8 cycloalkylC 1-4 alkyloxy, C 3-8 cycloalkylC 1-4 alkyl, C 1-6 alkyloxyC 1-4 alkyloxy, tetrahydropyranyl, pyridinylmethyl, NR 6a R 7a C 1-4 alkyl or NR 6a R 7a ; R 5 is hydrogen or C 1-4 alkyl; R 6 , R 6a , R 7a are each independently hydrogen or C 1-4 alkyl, or taken together with N can be a radical of Formula (a), (b) or (c) wherein each R 8 , if present, independently of one another is C 1-4 alkyl; R 9 is hydrogen or C 1-4 alkyloxy; R 10 is hydrogen or C 1-4 alkyl; m is 0, 1, 2, 3, 4 or 5; n is 2, 3, 4, 5 or 6; o is 1 or 2; or a pharmaceutically acceptable salt thereof.