title: Chemical modification of the amide group of rifamycin S.
mesh_terms: D001419:Bacteria / Q000187:drug effects; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D008826:Microbial Sensitivity Tests; D012294:Rifamycins / Q000032:analysis* / Q000494:pharmacology
chemical_list: D012294:Rifamycins; C032779:rifamycin S