title: New anthracycline derivatives from betaclamycin A.
mesh_terms: D000818:Animals; D018943:Anthracyclines; D000903:Antibiotics, Antineoplastic / Q000138:chemical synthesis*; D002460:Cell Line; D007939:Leukemia L1210 / Q000188:drug therapy; D051379:Mice; D009279:Naphthacenes / Q000138:chemical synthesis / Q000627:therapeutic use
chemical_list: D018943:Anthracyclines; D000903:Antibiotics, Antineoplastic; D009279:Naphthacenes; C042911:betaclamycin A