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rifampin

ri·fam·pin

noun \rī-ˈfam-pən\

: a semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ that is used especially in the treatment of tuberculosis and to treat asymptomatic carriers of meningococci

ri·fam·pin or ri·fam·pi·cin \rī-ˈfam-pə-sən\

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