title: Structure-activity relationships: nitrosoureas.
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D007939:Leukemia L1210 / Q000188:drug therapy; D008175:Lung Neoplasms / Q000188:drug therapy; D009603:Nitroso Compounds / Q000627:therapeutic use*; D009607:Nitrosourea Compounds / Q000627:therapeutic use; D013329:Structure-Activity Relationship; D014508:Urea / Q000627:therapeutic use*
chemical_list: D000970:Antineoplastic Agents; D009603:Nitroso Compounds; D009607:Nitrosourea Compounds; D014508:Urea