title: Synthesis of purine nucleoside nitrosoureas and their antitumor activities.
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000138:chemical synthesis*; D051379:Mice; D009607:Nitrosourea Compounds / Q000138:chemical synthesis / Q000494:pharmacology; D011684:Purine Nucleosides / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: D000970:Antineoplastic Agents; D009607:Nitrosourea Compounds; D011684:Purine Nucleosides