title: Reactions of some 6-mercapto-8-(3-pyridyl) purines with methyl iodide.
mesh_terms: D002854:Chromatography, Paper; D005453:Fluorescence; D015122:Mercaptopurine / Q000138:chemical synthesis*; D008722:Methods; D008745:Methylation; D011725:Pyridines / Q000138:chemical synthesis; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011725:Pyridines; D015122:Mercaptopurine