This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'Commonly used in narco-analysis: Al 10; JIPMER 13 \nSelect and explain. \nA. Atropine sulfate, B. Scopolamine hydrobromide, C. Opium compounds, D. Phenobarbital', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Scopolamine hydrobromide', 'role': 'assistant'}]