title: 5-Fluorouracil derivatives. IX. Synthesis and antitumor activities of (alkylthio)carbonyl-5-fluorouracils.
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D005472:Fluorouracil / Q000031:analogs & derivatives*; D007939:Leukemia L1210 / Q000188:drug therapy; D051379:Mice
chemical_list: D000970:Antineoplastic Agents; D005472:Fluorouracil