title: Mass spectroscopic differentiation between 3'- and 5'-nucleoside monophosphoric acids.
mesh_terms: D007536:Isomerism; D013058:Mass Spectrometry; D009711:Nucleotides / Q000032:analysis*; D014297:Trimethylsilyl Compounds
chemical_list: D009711:Nucleotides; D014297:Trimethylsilyl Compounds