Patent ID: 8778974

Claim:
A compound according to formula (I) or a stereoisomeric form thereof, wherein R 1 is 2,6-dimethyl-4-pyridinyl; R 2 is hydrogen, halo, C 1-3 alkyl, C 1-3 alkyloxy or trifluoromethoxy; R 3 is hydrogen, halo, or trifluoromethyl; R 4 is hydrogen, or halo; Alk is straight or branched C 1-6 alkanediyl or C 2-6 alkenediyl; R 5 is hydrogen, hydroxy, C 1-3 alkyloxy, halo, R 6 R 7 N—C(═O)— or R 8 —O—C(═O)—; R 6 is C 1-3 alkyl, C 3-6 cycloalkyl or (C 3-6 cycloalkyl)C 1-3 alkyl; R 7 is hydrogen or C 1-3 alkyl; or R 8 is hydrogen or C 1-4 alkyl; or a pharmaceutically acceptable addition salt thereof.