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
Which of the following antitubercular drugs is not hepatotoxic 
Select and explain. 
A. Isoniazid, B. Rifampicin, C. Ethionamide, D. Streptomycin
D: Streptomycin
Answer: D: Streptomycin 
Explanation: Refer KDT 6/e p743 Streptomycin and Ethambutol are not hepatotoxic Read carefully option (c) is Ethionamide AMD not Ethambutol