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': 'Thioacetazone has cross resistance with ? \nSelect and explain. \nA. INH, B. Rifampicin, C. Ethionamide, D. Ethambutol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is\'c\'i.e., Ethionamide(Ref; Essentials in tuberculosis P. 468)Thioacetazone has cross-resistance with ethionamide/prothionamide."A cross resistance between ethionamide and thiacetazone is repoed.Perchlozone also shows cross resistance with thiacetazone.', 'role': 'assistant'}]