title: Synthesis and biological activity of some nucleosides resembling guanosine: imidazo(1,2-alpha)pyrimidine nucleosides.
mesh_terms: D006151:Guanosine / Q000031:analogs & derivatives*; D007093:Imidazoles; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008968:Molecular Conformation; D009904:Optical Rotation; D011741:Pyrimidine Nucleosides / Q000138:chemical synthesis*; D012254:Ribavirin / Q000031:analogs & derivatives; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship
chemical_list: D007093:Imidazoles; D011741:Pyrimidine Nucleosides; D006151:Guanosine; D012254:Ribavirin