<prompt> Which of the following is not a serotonin-norepinephrine reuptake inhibitor?VenlafaxineDuloxetineMilnacipranTianeptin  <response>: Ref: KDT 8th ed Tianeptin enhances the reuptake of serotonin rather than inhibiting it whereas the other drugs mentioned in the options inhibit the reuptake of serotonin and nor-epinephrine. 