This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Which of the following antitubercular drugs is not hepatotoxic \nSelect and explain. \nA. Isoniazid, B. Rifampicin, C. Ethionamide, D. Streptomycin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Refer KDT 6/e p743 Streptomycin and Ethambutol are not hepatotoxic Read carefully option (c) is Ethionamide AMD not Ethambutol', 'role': 'assistant'}]