title: Chemistry of bleomycin. XVII. Chemical proof for the beta-lactam of bleomycin.
mesh_terms: D001761:Bleomycin / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D008722:Methods; D047090:beta-Lactams / Q000032:analysis*
chemical_list: D047090:beta-Lactams; D001761:Bleomycin