A compound of formula (I-a) or formula (I-b), including any stereochemically isomeric form thereof, wherein n is an integer 0, 1 or 2; X is CH 2, O, CH 2 O or NR 4, wherein R 4 is hydrogen, C 1-4 alkyl or benzyl; Z is CH 2, O or NR 4, wherein R 4 is hydrogen, C 1-4 alkyl or benzyl; and at least one of X or Z is CH 2; R 1 is hydrogen, hydroxy, C 1-4 alkyl, amino, mono- or di(C 1-4 alkyl)amino, or Heterocyclyl 1; Heterocyclyl 1 is azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl, or morpholinyl; wherein each Heterocyclyl 1 is optionally substituted with one or two substituents selected from C 1-4 alkyl, hydroxy, halo, trifluoromethyl, C 1-4 alkyloxycarbonyl, amino, C 1-4 alkylaminocarbonyl, or C 1-4 alkylsulfonyl; R 2 is phenyl- - wherein the phenyl is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, or C 1-4 alkylsulfonylamino; or R 2 is a bicyclic heterocycle selected from cinnolinyl, quinazolinyl, or quinoxalinyl, wherein said bicyclic heterocycle is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, and C 1-4 alkylsulfonylamino; and R 3 is hydrogen, C 1-6 alkyl, hydroxy, or halo; or a pharmaceutically acceptable acid addition salt thereof. n is an integer 0, 1 or 2; X is CH 2, O, CH 2 O or NR 4, wherein R 4 is hydrogen, C 1-4 alkyl or benzyl; Z is CH 2, O or NR 4, wherein R 4 is hydrogen, C 1-4 alkyl or benzyl; and at least one of X or Z is CH 2; R 1 is hydrogen, hydroxy, C 1-4 alkyl, amino, mono- or di(C 1-4 alkyl)amino, or Heterocyclyl 1; Heterocyclyl 1 is azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl, or morpholinyl; wherein each Heterocyclyl 1 is optionally substituted with one or two substituents selected from C 1-4 alkyl, hydroxy, halo, trifluoromethyl, C 1-4 alkyloxycarbonyl, amino, C 1-4 alkylaminocarbonyl, or C 1-4 alkylsulfonyl; R 2 is phenyl- - wherein the phenyl is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, or C 1-4 alkylsulfonylamino; or R 2 is a bicyclic heterocycle selected from cinnolinyl, quinazolinyl, or quinoxalinyl, wherein said bicyclic heterocycle is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, and C 1-4 alkylsulfonylamino; and R 3 is hydrogen, C 1-6 alkyl, hydroxy, or halo; R 1 is hydrogen, hydroxy, C 1-4 alkyl, amino, mono- or di(C 1-4 alkyl)amino, or Heterocyclyl 1; Heterocyclyl 1 is azetidinyl, pyrrolidinyl, piperidinyl, piperazinyl, or morpholinyl; wherein each Heterocyclyl 1 is optionally substituted with one or two substituents selected from C 1-4 alkyl, hydroxy, halo, trifluoromethyl, C 1-4 alkyloxycarbonyl, amino, C 1-4 alkylaminocarbonyl, or C 1-4 alkylsulfonyl; R 2 is phenyl- - wherein the phenyl is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, or C 1-4 alkylsulfonylamino; or R 2 is a bicyclic heterocycle selected from cinnolinyl, quinazolinyl, or quinoxalinyl, wherein said bicyclic heterocycle is substituted with one or two substituents each independently selected from hydrogen, halo, trifluoromethyl, C 1-4 alkyl, C 1-4 alkyloxy, and C 1-4 alkylsulfonylamino; and R 3 is hydrogen, C 1-6 alkyl, hydroxy, or halo;