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 is antitubercular drugs bus assoasiated with hypothyroidism 
Select and explain. 
A. Rifamipicini, B. Pyrazinamide, C. Ethionamide, D. Streptomycin
C: Ethionamide
Answer: C: Ethionamide 
Explanation: Refer KDT 7th/771 Ethionamide PAS They are two antitubercular drugs assoasiated with hypothyroidism and goitre