Reuptake inhibitor of serotonin and norepinephrine

The compound of formula: or a pharmaceutically acceptable salt thereof, wherein R1 is selected from the group consisting of n-propyl, isobutyl, cycloalkyl (C3-C4) and ciloalquil (C3-C4) -methyl; n is 1 or 2; and each R2 is independently selected from the group consisting of fluoro, chloro, bromo, methyl, ethyl, trifluoromethyl, methoxy, ethoxy, cyclopropylmethoxy, trifluoromethoxy, methylamino, cyclopropylamino, and t-butylcarbonylamino, CoolingParts that when n is 2, at least one R2 is fluoro, chloro, bromo, methyl, ethyl, trifluoromethyl, methoxy, oetoxi.