title: Potential antitumor agents. 1. Analogs of camptothecin.
mesh_terms: D000470:Alkaloids / Q000138:chemical synthesis* / Q000627:therapeutic use; D000818:Animals; D000970:Antineoplastic Agents / Q000138:chemical synthesis* / Q000627:therapeutic use; D007259:Infrared Rays; D007274:Injections, Intraperitoneal; D007939:Leukemia L1210 / Q000188:drug therapy; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D051379:Mice; D008815:Mice, Inbred Strains; D013057:Spectrum Analysis; D013997:Time Factors
chemical_list: D000470:Alkaloids; D000970:Antineoplastic Agents