title: Guanine, thioguanine, and related nucleosides by the mercuric cyanide--silyl method. An improved synthesis of  -2'-deoxythioguanosine.
mesh_terms: D006151:Guanosine / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D009705:Nucleosides / Q000138:chemical synthesis*; D009904:Optical Rotation; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013866:Thioguanine / Q000138:chemical synthesis*
chemical_list: D009705:Nucleosides; D006151:Guanosine; D013866:Thioguanine