title: Viomycin. II. The structure of the chromophore.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006146:Guanidines; D006863:Hydrogen-Ion Concentration; D006868:Hydrolysis; D010455:Peptides; D010860:Pigments, Biological; D013057:Spectrum Analysis; D014508:Urea; D014756:Viomycin
chemical_list: D006146:Guanidines; D010455:Peptides; D010860:Pigments, Biological; D014508:Urea; D014756:Viomycin