"Rifamycin"^^ . "Rifamycin SVSYNCI" . "C37H47NO12"^^ . "Pharmacologic Substance"^^ . . "C29406"^^ . "M-14CNNCI" . "145604"^^ . "Rifamycin"^^ . "A natural antibiotic produced by Streptomyces mediterranei, Rifamycin (Ansamycin Family) is a commonly used antimycobacterial drug that inhibits prokaryotic DNA-dependent RNA synthesis and protein synthesis; it blocks RNA-polymerase transcription initiation. Rifamycin has an activity spectrum against Gram-positive and Gram-negative bacteria, but is mainly used against Mycobacterium sp. (especially M. tuberculosis) in association with other agents to overcome resistance. (NCI04)NCI" . "C0035609"^^ . . "133100"^^ . "CHEBI:26580"^^ . "RifamycinPTNCI" . . "6998-60-3"^^ . "RIFAMYCINPTFDADU69T8ZZPA" . . "Rifamycin"^^ . "Treatment of traveler's diarrhea"^^ . . "FDA"^^ . "5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-B)furan-1,11(2h)-dione 21-AcetateSNNCI" . . "DU69T8ZZPA"^^ .