3,9-diazabicyclo[3.3.1]nonane derivatives and their use as monoamine neurotransmitter re-uptake inhibitors

a b 3,9-diazabicyclo[3.3.1]nonane derivatives, useful as monoamine neurotransmitter re-uptake inhibitors. Also, use of these compounds in a method for therapy and in pharmaceutical compositions comprising the compounds. The 3,9-diazabicyclo[3.3.1]nonane derivatives have the formula wherein Rand Rare as described in the application. Also disclosed are stereoisomers and pharmaceutically acceptable salts of the compounds.