title: Preparation and activity of the 4'-thio derivatives of some 6-substituted purine nucleosides.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000188:drug therapy; D013293:Enterococcus faecalis / Q000187:drug effects; D004926:Escherichia coli / Q000187:drug effects; D007939:Leukemia L1210 / Q000188:drug therapy; D009705:Nucleosides / Q000138:chemical synthesis / Q000494:pharmacology*; D011687:Purines / Q000138:chemical synthesis / Q000494:pharmacology*
chemical_list: D009705:Nucleosides; D011687:Purines