This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Which of the following is not a serotonin-norepine-phrine reuptake inhibitor? \nSelect and explain. \nA. Venlafaxine, B. Duloxetine, C. Milnacipran, D. Tianeptin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Tianeptin is an atypical anti depressant. All others are SNRI. Ref KD Tripati 8th ed.', 'role': 'assistant'}]