title: Synthesis and biological activity of analogs of naturally occurring 6-ureidopurines and their nucleosides.
mesh_terms: D002478:Cells, Cultured; D002855:Chromatography, Thin Layer; D046508:Culture Techniques; D006801:Humans; D007938:Leukemia; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D009705:Nucleosides / Q000138:chemical synthesis* / Q000494:pharmacology; D010944:Plants / Q000378:metabolism; D011687:Purines / Q000138:chemical synthesis* / Q000494:pharmacology; D013025:Glycine max; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship; D014508:Urea / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: D009705:Nucleosides; D011687:Purines; D014508:Urea