Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I), where x, y, W, V, R<2>, R<3>, R<4>, R<5>, R<6>, R<6a>, R<7>, R<7a>, R<8>, R<8a>, R<9> and R<9a> are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.