The present invention relates to a melanin concentrating hormone antagonist compound of formula I: wherein “-----” is absent or is optionally a bond; q is 1 or 2; R1 is independently selected from hydrogen, —C1-C2 alkyl, halo, hydroxy, —C1-C2 haloalkyl, —C1-C3 alkoxy, cyano, —O—C3-C4 cycloalkyl, and —OC1-C2 haloalkyl; R2 is selected from the group consisting of hydrogen, —C1-C3 alkyl, hydroxy, —C1-C3 alkoxy, cyano, —C1-C2 haloalkyl, —OC1-C2 haloalkyl, and halo; R3 is selected from the group consisting of hydrogen, —C1-C4 alkyl, —C2-C4 haloalkyl, —C2-C4 alkylOH, —C3-C6 cycloalkyl, —CH2C3-C6 cycloalkyl, —C2-C4 alkyl-O—C1-C4 alkyl, —C(O)C1-C4 alkyl, —C(O)C1-C4 haloalkyl, —CH2-thiazole, phenyl, benzyl, tetrahydrothiopyranyl, and tetrahydropyranyl, wherein the cycloalkyl, tetrahydrothiopyranyl, tetrahydropyranyl and thiazolyl group is optionally substituted with one or two groups independently selected from the group consisting of halo, hydroxy, C1-C2 alkyl, and —C1-C2 haloalkyl; or a pharmaceutically acceptable salt, enantiomer, diastereomer or mixture thereof, useful in the treating, preventing or ameliorating of symptoms associated with obesity and related diseases.