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: Pharmacology
[{'content': 'All are endogenous catecholamines except ? \nSelect and explain. \nA. Epinephrine, B. Norepinephrine, C. Dopamine, D. Dobutamine', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Dobutamine Catecholamines Endogenous : -Adrenaline, noradrenaline, dopamine. Synthetic : - Isoprenaline, Dobutamine, Dopexamne, Fenoldopam, Dipivefrine, Ibopamine.", 'role': 'assistant'}]