title: Chemistry of bleomycin. XXV. Reductive methylation of bleomycin, a chemical proof for the presence of the free secondary amine in bleomycin.
mesh_terms: D000588:Amines; D001761:Bleomycin / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D006367:HeLa Cells; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D009161:Mycobacterium / Q000187:drug effects; D010084:Oxidation-Reduction
chemical_list: D000588:Amines; D001761:Bleomycin