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': 'Maximum sterilizing action is shown by which anti TB drug \nSelect and explain. \nA. Rifamipicin, B. INH, C. Pyrazinamide, D. Streptomycin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer Katzung 13th/819 Pyrizanimde is most effective against slow growing bacteria inside macrophages Thus it possesses strong sterilizing activity', 'role': 'assistant'}]