title: Structure identification of rifampicin N-oxide.
abstract: 1H- and 13C-N.M.R. spectra, in addition to previous physicochemical data, confirm the structure of rifampicin N-oxide and indicate that the oxygen atom is bonded to the piperazine N--CH3 group.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D011048:Polarography; D012293:Rifampin / Q000031:analogs & derivatives* / Q000032:analysis; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: C043640:rifampicin N-oxide; D012293:Rifampin