Patent ID: 7625902

Claim:
A compound of formula (I): or a pharmaceutically acceptable salt thereof wherein: X is N or CH; R 1 selected from the group consisting of: (1) lower-alkyl or fluoro-lower-alkyl, (2) cycloalkyl or cycloalkyl-lower-alkyl, (3) phenyl, (4) naphthyl, and (5) pyridinyl, wherein said cycloalkyl, cycloalkyl-lower-alkyl, phenyl, naphthyl, or pyridinyl can optionally be substituted with 1 to 5 substituents independently selected from the group consisting of halogen, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, lower-alkoxy-lower-alkyl, and fluoro-lower-alkoxy; R 2 is selected from the group consisting of: (1) lower-alkyl or halogen-lower-alkyl, (2) lower-alkenyl, (3) cycloalkyl or cycloalkyl-lower-alkyl, (4) phenyl or phenyl-lower-alkyl, (5) naphthyl, (6) pyridinyl, and (7) tetrahydropyranyl, wherein said cycloalkyl, cycloalkyl-lower-alkyl, phenyl, phenyl-lower-alkyl, naphthyl, pyridinyl or tetrahydropyranyl can optionally be substituted with 1 to 5 substituents independently selected from the group consisting of halogen, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, and fluoro-lower-alkoxy; R 3 is phenyl, pyridinyl, pyrazinyl, benzo[d]isothiazolyl, benzooxazolyl, or thieno[3,2-c]pyridinyl, which can optionally be substituted with 1 to 5 substituents independently selected from the group consisting of halogen, CN, lower-alkyl, fluoro-lower-alkyl, lower-alkoxy, and fluoro-lower-alkoxy; and R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 independently from each other are hydrogen or lower-alkyl.