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: Biochemistry
[{'content': 'Antimetabolite drug used for the treatment of gout? \nSelect and explain. \nA. Allopurinol, B. Zidovudine, C. Azathioprine, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Synthetic nucleotide used in the treatment of Gout-Alloourinol.', 'role': 'assistant'}]