Disclosed is a compound represented by Formula (Im1)or a pharmaceutically acceptable salt, enantiomer or diastereomer thereof. Also disclosed are pharmaceutical compositions comprising the compound of Formula (Im1) or a pharmaceutically acceptable salt, enantiomer or diastereomer thereof and methods of inhibiting 11β-HSD1 activity comprising the step of administering to a mammal in need of such treatment an effective amount of a compound of Formulas (Im1), or a pharmaceutically acceptable salt, enantiomer or diastereomer thereof.