Patent ID: 8153805

Claim:
A compound of formula (I) wherein R 1 is halogen, C 1-6 alkyl, C 1-6 alkoxy, halo C 1-6 alkyl, heteroalkyl, C 1-6 alkylsulfanyl, C 1-6 alkylsulfinyl, C 1-6 alkylsulfonyl, C 3-7 cycloalkyl or C 3-7 cycloalkyl C 1-6 alkyl; R 2 is hydrogen, C 1-6 alkyl, halo C 1-6 alkyl, trimethylsilanyl C 1-6 alkyl, heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, hydroxy C 3-6 alkenyl, hydroxy C 3-6 alkynyl, C 1-6 alkoxy C 3-6 alkenyl, C 1-6 alkoxy C 3-6 alkynyl, trimethylsilanyl C 2-6 alkynyl, hydroxy, C 1-6 alkoxy, halo C 1-6 alkoxy, heteroalkoxy, optionally substituted C 3-7 cycloalkyl, optionally substituted C 3-7 cycloalkyl C 1-6 alkyl, halogen, cyano, optionally substituted phenyl, optionally substituted heteroaryl, optionally substituted heterocyclyl or optionally substituted phenylmethoxy-C 1-6 alkoxy, provided that the optionally substituted phenyl does not have nitro as a substituent; R 3 is, when attached to a ring carbon atom, independently hydrogen, C 1-6 alkyl, halo C 1-6 alkyl, heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, hydroxy C 3-6 alkenyl, hydroxy C 3-6 alkynyl, C 1-6 alkoxy C 3-6 alkenyl, C 1-6 alkoxy C 3-6 alkynyl, hydroxy, C 1-6 alkoxy, halo C 1-6 alkoxy, heteroalkoxy, halogen, cyano, optionally substituted phenyl, optionally substituted C 3-7 cycloalkyl, optionally substituted C 3-7 cycloalkyl C 1-6 alkyl, optionally substituted heteroaryl, optionally substituted heterocyclyl, optionally substituted phenyl-C 1-6 alkyl, optionally substituted heteroaryl-C 1-6 alkyl, optionally substituted heterocyclyl-C 1-6 alkyl, nitro, carboxy, formyl, acyl, C 1-6 alkoxycarbonyl, carbamoyl, mono- or di-C 1-6 alkyl substituted aminocarbonyl, C 1-6 alkylthio, C 1-6 alkylsulfinyl or C 1-6 alkylsulfonyl or amino optionally substituted by one or two substituents independently selected from the group consisting of C 1-6 alkyl, heteroalkyl, optionally substituted C 3-7 cycloalkyl and optionally substituted heterocyclyl; or m is 0, 1, 2, 3 or 4; is piperidin-1-yl; X 2 is C—R 4 wherein R 4 is phenyl or pyridyl, said phenyl and pyridyl being substituted by halo C 1-6 alkyl or halo C 1-6 alkyoxy; and both X 1 and X 3 are N or C—R 5 wherein R 5 is hydrogen; or pharmaceutically acceptable salts thereof.